Weekly questions to consider when creating your posts. These questions are a jumping off point to asking your own questions, pose new ideas, and provide explanations and examples backed by careful analysis. Apply class concepts, terms, and theories too. Refer to Assignment 12 for additional details.
- Why do we use loops?
- What loop do we use when we want the code to run a specific number of times?
- What loop do we use when we don’t know the specific number of times? (consider the difference between a while loop and a for loop?)
- What are the three parts of a for loop?
Ajibola Sode says
Why do we use loops?
Loops are fundamental build in programming that allow us to execute a block of code repeatedly under certain conditions. They are used to perform repetitive tasks, iterate over collections, reduce code redundancy, control program flow, and work with dynamic data.
Hamida Akther says
Hi Ajibola,
I agree loops will help you out, if you want to repeat some code many many times. It is a sequence of instructions that is repeated until a certain condition is reached. Repetitive tasks are common in programming, and loops are essential to save time and minimize errors.
Ajibola Sode says
Moreover, loops play an essential role in navigating through data structures like arrays, lists, and other iterables. They enable programmers to cycle through elements within these structures, providing the means to either access or alter each item sequentially. This functionality is crucial for both simple and complex data manipulation tasks, whether it’s aggregating numbers in an array or applying algorithms to data collections.
Controlling a program’s execution flow is another vital use of loops. By employing loops that persist while a specific condition is met, developers gain granular control over the execution of code segments. Such control is invaluable in situations requiring repetitive actions until a particular condition changes, like awaiting user input or cyclically processing information until a predetermined criterion is satisfied.
Lancelot Nyandoro says
Yes, without a loop we would be doing basic math “so to speak” with loop, we skip. to the hard and fun parts of coding
Darren Nolan says
Post
Why do we use loops? Well we use loops because they help you out a ton like the statements in 6a. If you want to repeat a line of code use a loop so you dont have to type it over and over again. It just a time saver and with this time saver if give you a lot of options to do a lot of things with them. Because you have more time to make more code because you not spending tons of time repeating code, With this we jump right to the hard and fun part of coding and get through all the non fun and non important things. Basically use it and have more fun coding and make a lot more things in the program then if you didn’t use it. If you found this helpful in any way let me know and if i didn’t get this right let me know too i want to know how i did on this concept
Zarmina Khan says
Why do we use loops?
We use lops because they are in programming to execute a set of instructions repeatedly, hence the name loop. Allowing for repetitive tasks to be accomplished on repeat, as well as making the code more efficient. One way we use loops is for repetition of code, which allows us to repeat a block of code multiple times. Efficiency as well matters, because instead of duplicating code for repetitive tasks we can just make it shorter and easier to maintain in the long run. Automation as well which allows you to read lines from a file, or going through the results of a query. As well as dynamic control flow, and iteration.
Ajibola Sode says
Hey Zarmina,
Loops play an essential role in programming as they can automate repetitive tasks, improve code efficiency, and simplify maintenance. They enable developers to iterate over data sets or automate tasks such as reading files and processing query results without the need to manually write out each step. Loops are a fundamental concept that any developer must master as they significantly contribute to both the functionality and manageability of code.
Leanne Sheely says
Yeah I agree with that. If you want something to continuously repeat itself loops is the perfect option because if you don’t use it you could waste a lot of time.
Hamida Akther says
Why do we use loops?
Loops act as a helper for use,they are handy in our code. If you want to run the same code over and over again, each time with a different value then loops are your tool to help you out. Loops are a programming element that is used to repeat a specific block of code a set number of times until the desired process is complete. It helps to prevent you from writing the code repeatedly. Loops are the control structure of a program. Loops get operations done, such as getting an item of data and changing it, and then some condition is checked such as whether a counter has reached a prescribed number. For example, you have a function called saySomething that you want to repeatedly call 10 times. So instead of copying and pasting the word many times, just use the generic solution of loops in JavaScript. There are three kinds of loops you can create: for loops, while loops, and do while loops. Each of these three loop variations enable you to specify the code you want to repeat (aka loop) and a way to stop the repetition when a condition is met.
Danylo Pidkova says
Hi Hamida,
Great explanation. Loops are very helpful when we need to run the same code over and over again with different values. They save us from writing repetitive code by allowing us to repeat a specific block of code a set number of times until we’re done.
Colin Johnson says
Hamida,
You did a great job of emphasizing why loops are essential for repetitive tasks when coding. Having to type all the text out would take a long time and this saves a large amount of time.
Corey Reagan says
Hamida,
That was a well spoken post about loops in code programming. Having loops in code saves us all a lot of time and energy from having to repeat the same thing over and over again.
M'Kyah Graham says
Hey Hamida,
Great explanation of loops! To contribute, I think loops are very helpful. Coding is very meticulous— rather tedious. So understanding coding tricks like these definitely make the process a lot smoother. Great explanation!
Darren Nolan says
Great insight I think we have a lot in common in our responses.
Danylo Pidkova says
When we want the code to run a specific number of times, we should use a for loop. This kind of loop is great for situations where we know exactly how many times we want to repeat the code.
For example, our loop is for (let i = 1; i <= 10; i++)
In this loop:
let i = 1 initializes our loop counter to 1.
i <= 10 is the condition, so the loop continues as long as i is less than or equal to 10.
i++ increments i by 1 after each iteration.
So, the loop will run 10 times and execute the block of the code inside it.
Jenna Oldroyd says
Hi Danylo,
Great explanation of using for loops to run code a specific number of times! For loops allow us to repeat a section of code a known number of times until a particular condition has been satisfied.
Georgios Zisis says
Hi Danylo,
You gave a great explanation of what to use when running code a specific number of times. When there is an instance where you want a loop to run indefinitely, you can use a while loop. The while loop condition will continue to run until a false statement is reached.
Leanne Sheely says
What are the three parts of a for loop?
First of I want to clarify there are three different types of loops we have for loops, while loops and do… while loops. Today I’ll be talking about the first one which is the for loop. For loops have three parts which are initialization, condition, and advancement. Each of these parts are separated by semicolons that is how you are able to know when each part is complete. An example could be ( let i = 0; i < 5; i++) this is just a simple example of all there parts. Hope this helps you out!
Madison Masino says
Hi Leanne,
Thanks for this information. I think it can be a bit confusing to know which loop to use, however I appreciate the fact that the semicolons are how we know when each part is completed.
Mairaliz Negron says
Hi Leanne,
Good explanation!
Loops is definitely something I would have to read and work on more to be able to fully grasp it and which ones to use.
Colin Johnson says
What loop do we use when we want the code to run a specific number of times?
When we want a piece of code to execute a specific number of times, we often turn to the “for” loop in JavaScript. The “for” loop is a control flow statement that allows us to repeatedly execute a block of code based on a condition. It consists of three parts: initialization, condition, and iteration expression, which are enclosed within parentheses and separated by semicolons.
We can use an example code:
for (let i=0; i<5;i++) {
// REPEATED CODE HERE
}
In this example, "let i=0" is the initialization part, "i<5" is the condition, and "i++" increments the loop variable after each iteration.
Dana Persaud says
Great explanation Colin! You have a great explanation for each part and step of the for loop. Its important to show the differences and specifics of each type of loop.
Samir Lagouit says
Colin,
I really like the way you formatted your post. Great content obviously and then easily digestible so it does not feel like I am staring at code; or a paragraph describing it.
Hawa Barry says
Hi Colin,
I really enjoyed your posts about loops, it really dissolves any confusion surrounding it.
Corey Reagan says
What loop do we use when we want the code to run a specific number of times?
When writing code, there are often situations where we need a certain block of code to run a specific number of times. In order to achieve this, we can use a loop. One type of loop that is commonly used when we want the code to run a specific number of times is a “for” loop. Using for loops empowers us to efficiently repeat code blocks and streamline our programming tasks.
Zarmina Khan says
Corey,
Using loops is definitely empowering, especially for the user. I can only imagine the response on the other end whether it’s the computer or system or client. Efficiently repeating code is an ability that we wouldn’t have been able to do 20 years ago, and the explosion of technological growth is definitely one to watch out for.
Dana Persaud says
Why do we use loops?
We use loops as a sequence of instructions that is repeated until a certain condition is reached. When the operation is done, the condition is checked. A loop helps repeat codes over and over. There are three different types of loops. The for loop, while loop, and do-while loop.
Regan DeShazo says
great post also, loops contribute to the scalability of programs, as they facilitate the management of dynamic data structures and evolving scenarios. In essence, loops are a cornerstone of programming, empowering developers to create more concise, readable, and powerful code.
Elena Grigoryan says
We use loops to make it easier to run code repeatedly. This, as usual, becomes more useful as the data grows or when we deal with large numbers. Loops allow the code to run until desired value is reached (example, i=0; i<5; i++, this code will run 5 times) or until value reaches 0 (example, while value<0). Loops make code look cleaner and easier to read. They also eliminate a lot of unnecessary code writing.
Regan DeShazo says
Why do we use loops?
Loops are indispensable in programming as they provide a mechanism for executing a specific block of code repeatedly until a certain condition is met or a defined number of iterations is reached. They play a pivotal role in automating repetitive tasks, optimizing code, and enhancing the efficiency of programs. Loops help in reducing redundancy by allowing developers to encapsulate a set of instructions that need to be repeated, thus promoting code reuse and maintainability. Whether it’s iterating through elements in a list, processing data sets, or implementing algorithms, loops enable the handling of tasks that would otherwise be cumbersome and impractical to execute manually. Additionally, loops contribute to the scalability of programs, as they facilitate the management of dynamic data structures and evolving scenarios. In essence, loops are a cornerstone of programming, empowering developers to create more concise, readable, and powerful code.
Salvatore Marsico says
Hi Regan,
I enjoyed reading your post about why we use loops. Loops are extremely important when it comes to programming because we want to run a code until it meets a certain condition. They also allow for much shorter loops to be written instead of writing out lines and lines of code.
Cristina Valentin says
Hi Regan,
Your explanation was very descriptive and helpful in conveying why loops are used.
Madison Masino says
Hello Regan,
I like your thorough explanation of why we use loops in coding. I think they are essential as they prevent errors, and these can be used until the desired outcome is reached.
Eduard Lagutin says
Hello Regan,
I think your explanation on why we use loops is great. You are very detailed and articulate with your explanation. This is great informative material.
Great job.
Rachel Bard says
I like how you gave multiple example for the use of loops, also your explaining of the basics principle of loops was very pleasant.
Jenna Oldroyd says
What are the three parts of a for loop?
In JavaScript, three loops can be used to repeat some code. These include for, while, and do-while. A for loop allows us to run code repeatedly until the condition we specified returns false. There are three different parts of a for loop. The first region of a for loop is the starting point, where we declare and initialize a variable. The step region is the next step in the for loop, where we specify how our starting point will evolve. The middle region is the condition part of our loop, where we determine how long our code will run.
Putting it all together, here’s how it should look….
for (starting_point; condition; step) {
// code to execute
}
Salvatore Marsico says
Hi Jenna,
I enjoyed reading your post about the three different parts of a for loop. The different parts of a loop are for, while, and do-while, all of which help the loop continue until the right condition is met. The for loop is the most basic, and the other two add to the complexity of the loop if the situation calls for it.
Juan Delgado says
Hi Jenna,
I enjoyed your discussion board comment because when I was doing the last assignment this confused me a lot. After reading your comment, I tried doing the last assignment again and then I got it correct. I also really enjoyed that you included an example because it helped me to understand even more about what goes into a loop. I just thought that you did very well on this discussion board and explaining the topic.
Zarmina Khan says
Jenna, Understanding code has been super tricky but this was helpful for me. The first region for a loop is the starting point is always super hard for me, but understanding in more mathematical terms has helped me alot.
Salvatore Marsico says
In JavaScript, there are many functions that can make our lives easier and less complex with coding such as using loops. We use loops to run a set of instructions until a certain condition is met. This means instead of repeating the same ten lines of code every time, we can use a simple loop function until we find what we want. It is much more efficient to use one function or loop for an outcome we want than writing several lines of the same code and that is why we use loop functions. There are three different loop functions we can use. They are the for loop, while loop, and do-while loop. Each loop has its own set of instructions to follow and often are not are used together to create a big loop. While loops run until the looping condition evaluates it to be false.
Max Smith says
Hi Salvatore,
I agree with your statements regarding how loops make coding less tedious. I also liked how you included the different loop functions found within JavaScript as well as the conditions where we would use them. Good luck with your coding assignments!
Mahbuba Ahmed says
Hello Salvatore
Your response is a well explanation of the role of loops in JavaScript, highlighting their efficiency in avoiding code repetition. The introduction of the three loop types and the potential for combining them for more complex operations adds depth to the understanding. Overall, a concise and informative overview of the practical use of loops in JavaScript coding.
Max Smith says
Why do we use loops?
In JavaScript, loops help computer programmers work more efficiently by allowing them to execute different functions or code blocks without having to rewrite it each time. Loops can be used to check for certain conditions and then execute a block of code if those conditions are met (true). There are many different types of loops within JavaScript including text, numbers, odd or even, and MIN & MAX.
Cheyanne Kostaras-Nesbitt says
Hi Max,
Loops are very beneficial for programmers, as you explained. It greatly reduces the redundancy of writing the code each time. This saves code writers time since they don’t need to write the same lines of code over and over.
Cristina Valentin says
What are the three parts of a for loop?
The first part is Initialization which sets the initial value for the control variable. The second part is condition that tests the loop control variable. In this part the loop will continue to run if it is true, if not the loop will stop. Last is Iteration that tells how the control variable has changed throughout the loop.
Juan Delgado says
Why do we use loops? We use loops because it’s easier to use the simple code that will be used numerous times than keep repeating the same code ten times. Using a loop can save a lot of time while writing code. When you use a loop and run the code, there is a condition checked to see if the counter has reached the prescribed number. There are different types of loops: for loop, while loop, do-while loop. Most of the time, a number would equal another number, then a number would be less than or equal to a number, then lastly a number or i would have a ++ to it. After running this code, then the program would ask for a number that the person would have to type in, and then the program would ask the same thing but would increase the number by one. Then, after the program reaches the maximum number that you put into the code, then the program would then give the result.
Lesly Puma Vinansaca says
Hi Juan
Your explanation of why we use loops are insightful. I agree that loops help simplify everything and overall make it easier to code
Ereny Abousaif says
Hi Juan
You provide a really good explanation of why loops are used. I concur that loops simplify things and make coding easier overall.
Mahbuba Ahmed says
6b: What loop do we use when we don’t know the specific number of times? (consider the difference between a while loop and a for loop?)
Programmers tend to choose while loops when faced with indeterminate numbers of iterations in programming, due to their inherent flexibility; they continue as long as certain conditions continue being true. Conversely, “for” loops should only be utilized when there is an unknown number of interactions; as they follow a structured format with initialization, condition, and update statements. The “while” loop’s greatest strength lies in its adaptability; allowing code to continue running until a specific condition becomes false, thus providing flexibility when the exact number of iterations cannot be predicted in advance. On the other hand, “for” loops excel when an exact number of iterations cycles is known in advance; commonly applied when working with data sequences. Both loops play distinct roles in programming; providing programmers with versatile tools tailored to specific iteration requirements.
Elena Grigoryan says
Wonderful explanation of both while and for functions and when to use them! What versatile tools indeed.
Madison Masino says
Why do we use loops?
Loops are a kind of programming that we use when coding which will repeat a portion of code a set number of times until the desired outcome is met. Loops help the coder save time and prevent from making many mistakes. The three kinds of loops are for loop, while loop, and do-while loop.
Samir Lagouit says
Why do we use loops?
Loops are a tool that we can use, that allow us to repeat blocks of code. We do this to not only streamline tasks, but it is also never recommended to copy and paste codes over and over. Using a loop makes executing the code over and over more efficient.
When processing database records for example, loops help you filter data out as well as streamline data. Writing a loop allows developers to avoid duplicating a code and instead follow a defined set of instructions to be executed over and over. There are various kinds of loops, each for their own use. They all allow the user to not only choose the code, but the way they want it to stop. The for loop, which we use to run until an expression comes back false, this allows us to repeat a message across a page for a basic example, and the coder would not have to repeatedly type the message across the page.
Erica Griggs says
Hey Samir!
Thank you for simplifying loops so well. I really enjoyed the examples you used.
Hawa Barry says
Hi Samir,
I liked how your tied loops to a real life application. This definitely helps in visualizing it’s usage.
Cheyanne Kostaras-Nesbitt says
What are the three parts of a for loop?
The three parts of a loop are initialization, condition, and increment or decrement. The initialization starts the loop by initiating the control variable. The initialization also verifies when the loop should end. The condition is the end value. Each time the loop runs, the condition is checked to see if the loop should continue or end. If the condition returns true, the loop continues. If it returns false, the loop ends and the program continues to the next step. Finally, the increment or decrement adds or subtracts (respectively) the input values from the control variable (or starting point set by the initialization) and the end of each variable before the next condition check is executed.
Lesly Puma Vinansaca says
A for loop consists of three distinct parts, each serving a specific role in controlling the loop’s execution. Firstly, the initialization segment initializes a loop control variable, typically setting its initial value. This initialization occurs only once at the beginning of the loop. Following initialization, the condition segment defines the condition that must be true for the loop to continue iterating. If the condition evaluates to true, the loop body executes; otherwise, the loop terminates, and program control moves beyond the loop. Lastly, the increment or decrement segment specifies how the loop control variable should be updated after each iteration. This structured approach enables efficient iteration over a sequence of statements or actions in programming languages.
M'Kyah Graham says
A loop is another extraordinary and extremely helpful type of coding. Say, for example, you have a message that you would like to appear to the user of your website… Let’s say “GIVE ME PIZZA ROLLS”. And for whatever odd reason, you’d like this message to appear to users multiple times— 20!!! So, instead of having to code this string of text 20 times (which would be rather annoying), you would use a loop. Ultimately, the purpose of a loop is to repeat a series of code without having to continuously repeat it. Outside of my ridiculous example, loops can be used for recurring or cumulative mathematical equations (which makes so much more sense than “give me pizza rolls”).
Erica Griggs says
Hey M’kyah!
Really well written information explaining loops!
Ereny Abousaif says
Hi M’kyah
Excellent explanation on when to utilize the while and for functions! What amazingly adaptable instruments.
Erica Griggs says
Loops in Programming
In the realm of programming, loops serve as a practical solution to streamline repetitive tasks, contributing to efficiency and code simplicity. Rather than an exhilarating feature, loops are more akin to reliable assistants, efficiently handling mundane tasks without fanfare.
Consider a scenario where you need to perform a specific action multiple times. Writing the same code repeatedly is not only time-consuming but also prone to errors. Loops offer a systematic way to address this challenge. By allowing programmers to define a set of instructions that are executed iteratively, loops reduce redundancy and enhance the readability of code.
Whether it’s processing data, traversing through a list, or conducting calculations, loops provide a methodical and unobtrusive approach. They are the unsung heroes of programming, quietly working behind the scenes to make programs more practical and less susceptible to human error. Embracing loops means embracing a pragmatic tool that simplifies the complex landscape of coding, making it more accessible and manageable for programmers.
Briana Seidle says
Hey Erica,
I appreciate your detailed yet clear explanation of loops in programming. This portion of the text confused me slightly, however your explanation made it easier to understand.
Jorgelina Rodriguez says
hey erica, great point good job !
Hadeer Saad says
Why do we use loops?
Loops are utilized to run a block of code repeatedly depending on a specific condition. They allow automating tasks and running operations until a particular condition is met. The use of loops improves code efficiency. It also provides for a more digestible and to-the-point code structure. Loops can remove the need to perform tasks that would normally require manual input repeatedly.
Hadeer Saad says
What are the three parts of a for loop?
The three parts of a for loop are:
Initialization – this is where the loop control variable or counter is initialized. It’s run at the start of the loop.
Condition – This determines whether a loop will move forward running or not. If the condition is true, the loop moves forward. If not, it leaves.
Update/Increment – This step is to update or increment the loop control variable. It’s run after each cycle of the loop.
Eduard Lagutin says
What are the three parts of a for loop?
The three parts of the loop are the variable, boolean expression, and the counter.
The variable establishes what variable we’re counting and at what point we start at.
The Boolean Expression tells how long to run the loop for or to stop if a certain value is entered.
The counter is there to signify where we go when the loop starts (typically count up from start expressed with ++).
Lancelot Nyandoro says
For loop in most programming languages that consists of three essential parts: initialization, condition, and iteration. The initialization involves declaring and assigning an initial value to a variable that controls the loop’s execution; This step is executed only once. The condition is what determines whether the loop should continue executing or terminate. The loop continues to execute as long as the condition evaluates to true; when it brings back a false answer, the loop will close, or if the loop is only made to run till a chosen time, for example, multiply five or ten times. The last one is when the loop is told to change, for example, multiply by three, then multiply by six, then by nine. In this case, the loop has been told to grow by three every time. These three parts work in concert to control the flow of execution within the loop, allowing you to repeat a block of code a specific number of times or until a certain condition is met
Mairaliz Negron says
Why do we use loops?
– Loops are a sequence of instructions that is repeated until a certain condition is reached. We use loops to avoid having to write the same code over and over again. The use of loops allow us to repeat a code multiple times. Loops also reduce the chance of error. If you had to manually write out the same code over and over again, there could be a chance of an error occurring. To avoid that, the use of loops are very helpful especially with the enhancement of efficiency regarding coding.
Briana Seidle says
What are the three parts of a for loop?
The three parts of a for loop are separated by a semicolon and are as follows:
Initialization – During this first part, the user will initialize the variable that is used to check when the loop should be completed. This is only executed once prior to the start of the loop.
Condition – This part is where the user decides if the loop is over. It is continuously checked each time through the loop as long as the condition is true.
Advancement – During this final part, the user makes the control variable proceed to the next value once the loop condition is declared false.
Maurice Chism says
Briana I agree that there are these three parts. they are essential for getting to getting the result we desire in our code.
Rachel Bard says
What loop do we use when we want the code to run a specific number of times?
The loop we use when we want to run a code a specific number of times is a For Loop. In the function of a loop, the first/ initial step is setting the bare minimum of measurement, where we want our loop count to begin. For our class, we mainly used 0 as the starter number. Then for our second part of the loop function you put the total number of times you want the loop to run. For example, if you do i+0, i<5 that would indicate the loop to run for 0, 1, 2, 3, 4. because that fourth run, is less than 5 times of being run. Hence why a for loop is the perfect loop to use when you know the total specific number of times you want your loop to run.
Hadeer Saad says
This explanantion made total sense to me. Helped identify how useful for loops can be.
Jorgelina Rodriguez says
In programming, a “for” loop is usually used to specify how many times we want the function to run. The purpose of the for loop is to run over a code block a predefined number of times, under the supervision of a condition and a loop variable. We may exactly manage the number of iterations by providing the beginning value, ending condition, and increment or decrement of the loop variable. For instance, we may set up a for loop with a loop variable that starts at 0 and ends at 4, increasing by 1 with each iteration if we want a piece of code to run five times. Because of its efficiency and conciseness, this loop structure is perfect for situations when a set number of iterations is needed.
Maurice Chism says
What loop do we use when we want the code to run a specific number of times?
We want to run the code a certain amount times because we are looking for a desired outcome. We also will run the code to limit the number of response to our function to end and come to the conclusion. If we kept the cycle going for too long either it would be and endless cycle or the outcome could be altered and change the direction we were trying to go.
Kerri McGuckin says
Hi Maurice,
To add to your loop discussion. I believe we would want to use the “for loop” if we want the code to run a specific number of times, you can pick a specific number of times you would like it to run.
If you want the code to run until the value of it becomes true, you would use a while loop.
Corey Reagan says
What loop do we use when we want the code to run a specific number of times?
When writing code, there are often situations where we need a certain block of code to run a specific number of times. In order to achieve this, we can use a loop. One type of loop that is commonly used when we want the code to run a specific number of times is a “for” loop. Using for loops empowers us to efficiently repeat code blocks and streamline our programming tasks. The for loop is ideal for situations where we want the code to run a specific number of times because it allows us to clearly define the bounds of the loop and easily control how many times the code should be repeated. It also makes the code more readable and easier to understand compared to other types of loops. Furthermore, the for loop provides a more structured and organized way of coding repetitive tasks. By explicitly stating the number of iterations in the loop header, we can easily track how many times the code has been executed and make any necessary adjustments if needed. Its simplicity, clarity, and efficiency make it an essential tool for programmers to quickly and accurately iterate over a particular section of code. By utilizing the for loop effectively, programmers can easily accomplish repetitive tasks and improve the overall efficiency of their programs.
Dylan Milano says
Hi Corey,
Your explanation of the “for” loop as the ideal choice when wanting to run a specific number of times is clear and comprehensive, highlighting the effectiveness of this loop in handling repetitive tasks in programming. You effectively convey how the “for” loop provides a structured and organized approach to iterating over code blocks a defined number of times, making it easier for programmers to manage and control the iteration process.
Georgios Zisis says
What loop do we use when we don’t know the specific number of times?
The most common type of loop is the for loop. The for loop will allows you to repeatedly run some code until the expression you specified comes up false. For loops use a starting condition, a terminating condition, and a “counting” conditions. Defining the starting position involves declaring and initialing a variable. After defining our starting position, you then need the terminating position. The terminating position is determined by using a conditional express that returns either true or false. If true is returned, then the loop keeps running until false is returned. To reach from the beginning to the ending, you need an expression to increase the variable by a certain amount until false is reached. When you are unsure about the number of times a loop needs to happen, you will typically use a while loop. When using a while loop, the condition is checked each time, and the loop will stop when the condition is false.
Hadeer Saad says
I appreciate how concise and easy to read your post was. It really made for loops easier to understand.
Dylan Milano says
Loops are essential programming constructs that allow us to execute a block of code multiple times. They are used to automate repetitive tasks, iterate over data structures, and manipulate collections of elements efficiently. By employing loops, programmers can streamline processes, minimize redundancy, and enhance code readability.
When we want the code to run a specific number of times, we typically use a for loop. A for loop is ideal for iterating over a predefined range of values and executing a block of code a set number of times. The key advantage of the for loop is its ability to control the loop’s iteration using an initialization, condition, and increment/decrement expression within a compact syntax.
In contrast, when we don’t know the specific number of times a loop should run, we can utilize a while loop. A while loop continues executing as long as a specified condition remains true. Unlike the for loop, the while loop’s condition is checked before each iteration, making it suitable for scenarios where the loop’s termination is based on dynamic conditions.
Leanna Paul says
The loop we use when we don’t know the specific amount of times it will repeat, would be a while loop. A while loop is used to repeat a specific block of code an unknown number of times, until a condition is met. If that number is infinite, or the Boolean condition of the loop never gets set to False, then it will run forever. This is why it’s an infinite loop.
Ereny Abousaif says
Why do we use loops?
One of the most important programming constructs, loops allow a code block to be executed repeatedly under certain conditions. They are useful for things like handling dynamic data, reducing code duplication, controlling program flow, and iterating across collections.
Daniel Taylor says
I agree Ereny loops are very important in the coding field as it can perform tasks within seconds while reducing, to a great extent, time and efforts of the users. I do highly recommend people look up what looping can do as it can be amazing skill to have.
Hadeer Saad says
Why do we use loops?
Loops are essential constructs in programming used to execute a block of code repeatedly until a specific condition is met or for a predetermined number of iterations. They serve several crucial purposes in software development.
Firstly, loops enable automation of repetitive tasks, significantly reducing the need for redundant code. Instead of writing the same set of instructions multiple times, developers can encapsulate them within a loop structure, enhancing code efficiency and maintainability.
Secondly, loops facilitate the iteration over collections of data, such as arrays or lists. By using loops, developers can traverse through each element of the collection and perform operations or calculations on them, enabling efficient data processing and manipulation.
Moreover, loops support dynamic decision-making and conditional execution. They allow programmers to implement logic that repeats until a certain condition becomes false or until a specific termination condition is met, providing flexibility and adaptability in code execution.
In essence, loops are indispensable tools in programming for automating tasks, iterating over data, and implementing dynamic control flow, ultimately enhancing code efficiency, readability, and maintainability.
Hadeer Saad says
What are the three parts of a for loop?
A `for` loop in programming consists of three main parts: initialization, condition, and iteration. Each part plays a crucial role in controlling the execution of the loop and determining when it should terminate.
1. Initialization: The initialization part is where you initialize the loop control variable or variables. This part is executed only once at the beginning of the loop. It typically involves declaring and initializing a counter variable that will be used to track the progress of the loop.
2. Condition: The condition part is a boolean expression that determines whether the loop should continue iterating or terminate. The loop will continue executing as long as the condition evaluates to `true`. If the condition evaluates to `false`, the loop will stop executing, and the program will move on to the next statement after the loop.
3. Iteration: The iteration part is where you update the loop control variable or variables after each iteration of the loop. This part is executed after each iteration and typically involves incrementing or decrementing the loop counter variable. It allows the loop to progress towards its termination condition.
Together, these three parts work together to control the flow of the `for` loop, determining how many times the loop will execute and under what conditions it will terminate. By properly setting up the initialization, condition, and iteration parts, developers can create efficient and effective loops to perform various tasks in their programs.
Hawa Barry says
Loops are a sequence of repeated instructions until certain conditions are met. Loops are really helpful for preventing long code lines of the same thing and provide an easy solution to that. There are three different types of loops, for, while, and do-while. The for loop function declares and initializes a variable, sets the variable under a condition, and finishes with an adjustment statement that ensures the repetition. The loop will end once conditions are met. The while loop function will run until the looping condition is false, so the phrase in the parentheses may be shorter. The do-while function first prompts a condition forward and then goes into a normal while loop. In combination, they reach the conditions of the loop. Loops were harder for me to grasp, probably because if one thing is typed wrong, the whole code doesn’t work. Also, my laptop was not fan of it, lots of crashing once loops got thrown in the coding mix.
Kerri McGuckin says
Loops! I actually really enjoyed learning about loops in this class (even though I don’t think my next career move will be into the coding field…) I think I got a lot of satisfaction when my code finally worked and I was able to see prompts looped correctly and discontinue when they are supposed to.
A loop is a sequence of instructions that is repeated until a certain condition is reached. Loops help you out because if there is a code you will need to repeat many times, this will help you. You will not need to write the actual code over and over.
There are three types of loops:
For loop- This is normally what you want to use when you need to repeat a code a number of times. The for loop provides a structured way to repeat a sequence of values a predetermined number of times.
While loop- The while loop is what you want to use when you don’t know how many times the code will be running, it is usually set to end once a certain condition is met. While loops relies only on a condition to determine whether to continue repeating the code.
Do-While loop- a Do- while loop is similar to a while loop however it repeats a block code until a specific condition is evaluated as false. the while loop. This loop always runs at least once, regardless of the condition, so it is best to use this loop if you want the code to run at least once regardless of whether it is true or false.
Daniel Taylor says
Why do we use loops?
Loops in computer programming are so important that they can perform tasks within seconds while reducing, to a great extent, time and efforts of the users. If the same activity that is done with the help of loops, is done manually, It would take hours and days. Without the loop structure in a computer program, the tasks are almost impossible to be performed. Loops, on the one hand, execute the tasks faster saving the time and energy, on the other hand, they are very helpful to accomplish the tasks in an accurate manner. Loops are important in facilitating the programmers or software developers to create such software modules or programs that are effective and efficient and to meet the requirement of the business needs