14 April 2018

Python while loop real example explained to use in your project for handling loops

While is one of the loop in Python. The specialty is it never be false. You already know that in my previous post I have shared For Loop in Python. The for loop can be false.

Python reserved words

I am giving here one best example:

       
print("Help! My computer doesn't work!")
while True:
print("Does the computer make any sounds (fans, etc.)")
choice = input(" or show any lights? (y/n):")
       

In the above logic, while is always true. When in input user can give 'Y/N'

       
if choice == 'n': # The computer does not have power
    print (" Do not show lights")
if choice == 'y': # It is power plugged in
   print ("show lights")
       
So, while is always true. Based on input the while loop works. Python is having the below list of Keywords

Pythons Reserved Words
The Python reserved words are: and, exec, not, assert, finally, or, break, for, pass, class, from, print, continue, global, raise, def, if, return, del, import, try, elif, in, while, else, is, with, except, lambda, and yield.


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