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22 lip 2015 · 1 Answer. Sorted by: 10. You have your logic inverted. Use and instead: while choice != 'y' and choice != 'Y' and choice != 'N' and choice != 'n':
27 sty 2015 · If you wanted to loop through all characters in a string, just use a for loop: for character in myString: print(character) You can use the enumerate() function to add an index:
4 mar 2024 · Pętla while jest jednym z podstawowych sposobów na wykonanie iteracji w języku programowania Python. Służy do powtarzania określonego fragmentu kodu, dopóki spełniony jest pewien warunek. Pętla ta jest niezwykle użyteczna, gdy nie znamy liczby iteracji przed rozpoczęciem pętli.
24 lip 2018 · x = int(2) y = int(1) while userinput != (1,2): userinput = input("Do you wish to continue, to start from scratch?") if input == 1: print("y") if input == 2: print ("n") else: print("Try y or n, they mean yes or no respectively.")
The while Loop. With the while loop we can execute a set of statements as long as a condition is true.
5 lut 2024 · In this article, we will examine 8 examples to help you obtain a comprehensive understanding of while loops in Python. Example 1: Basic Python While Loop. Let’s go over a simple Python while loop example to understand its structure and functionality: >>> i = 0 >>> while i . 5: >>> print(i) >>> i += 1 Result: 0 1 2 3 4
To create a while loop, you'll need a target statement and a condition, and the target statement is the code that will keep executing for as long as the condition remains true. The syntax for a while loop looks like this: while condition target statement. The best way to understand a while loop, however, is to see what it does in context.
