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How to Make a for-loop More Understandable in Python

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by vsasikalabe dot icon Updated: Jan 31, 2023

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A for loop in Python is a control flow statement that allows you to iterate over a sequence of items, such as a list, tuple, or string. Here are a few ways to make a for a loop more understandable in Python:  

  • Use meaningful variable names: Use variable names that accurately describe the data that the variable holds.  
  • Use comments: Add comments to explain the loop’s purpose and the operation performed on each iteration.  
  • Use whitespace: Use whitespace to separate the different parts of the loop, such as the for statement, the ‘in keyword’, and the loop body.  
  • Break down the loop body: If it contains multiple operations, consider breaking them down into separate steps.  
  • Use list comprehension or generator expression: List comprehension and generator expression are concise ways to express the loop operation and make the code more readable.  
  • Use the enumerate function: As mentioned before, using the enumerate function to get both the index and the value of the loop variable makes the code more readable.  


For more information about making a loop more understandable in Python, refer to the code below. 

Fig : Preview of the output that you will get on running this code from your IDE.

Code

How to make a for-loop more understandable in python?

PythondotLines of Code : 22dotLicense : Strong Copyleft (CC BY-SA 4.0)

Dependent Libraries : 
# for(int x=1; x <= 10; x++)
x = 1
while x <= 10:
    print(x)
    x += 1


i = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]  # range(1, 11)
for x in i:
    print(i)

   # for(int x=0; x < 10; x++)
x = 0
while x < 10:
    print(x)
    x += 1


i = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]  # range(10)
for x in i:
    print(i)

Instructions

Follow the steps carefully to get the output easily.

  1. Download and Install the PyCharm Community Edition on your computer.
  2. Create new python file on your IDE.
  3. Copy the snippet using the 'copy' button and paste it in your python file.
  4. Run the current file to generate the output.


I hope you found this useful.


I found this code snippet by searching for ' How to make a for-loop more understandable in python'in kandi. You can try any such use case!

Environment Tested

I tested this solution in the following versions. Be mindful of changes when working with other versions.

  1. The solution is created in PyCharm 2021.3.
  2. The solution is tested on Python 3.9.7.


Using this solution, we are able to make a for-loop more understandable in python with simple steps. This process also facilities an easy way to use, hassle-free method to create a hands-on working version of code which would help us to make a for-loop more understandable in python.

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