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How to Write an Infinite Loop in Python

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by vsasikalabe dot icon Updated: Feb 1, 2023

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In Python, a loop is a type of control structure that enables you to run a block of code continuously until a certain number of times or until a specific condition is satisfied.  


An infinite loop in Python is a loop that never terminates on its own. It can occur when the condition that controls the loop always evaluates to True or when there is no increment or other logic that would eventually cause the loop to exit. Infinite loops can be dangerous and cause a program to crash or freeze if not handled properly. There are a few ways to create an infinite loop in Python:  

  • Using the while loop with the condition that always evaluates to True.  
  • Using the for loop without a proper increment or logic to exit the loop.  
  • Using a for loop with an iterable that has no end, like “itertools.cycle()”.  
  • itertools.cycle(): itertools.cycle is a function in the Python standard library that belongs to the module itertools. It takes an iterable as an argument and returns an iterator that repeatedly yields the elements of the iterable.  


You may have a look at the code given below for creating infinite loop in Python.

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

Code

Infinite Loop help in Python

PythondotLines of Code : 15dotLicense : Strong Copyleft (CC BY-SA 4.0)

def shampoo_instructions(user_cycles):
    N = 1
    while N <= user_cycles:
        if N < 1:
            print('Too few')
        elif N > 4:
            print('Too many')
        else:
            print(N,': Lather and rinse.')
        N = N + 1
    print('Done.')
                
user_cycles = int(input())
shampoo_instructions(user_cycles)

Instructions

Follow the steps carefully to get the output easily.

  1. Download and install Pycharm Community edition on your desktop.
  2. Open new python file in your IDE.
  3. Copy the snippet using the 'copy' and paste it in your python file.
  4. Run the file to generate the output.


I hope you found this useful.


I found this code snippet by searching for ' Infinite Loop 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 Infinite Loop 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 Infinite Loop in Python.

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