[Baba Yaga]

So I recently saw a thread on hackforums asking how to ask only for a 'y' or 'n' input from the user and how to make it keep asking the person that question until the right input has been reached. Since it was still an open-ended question, I decided to answer it.

The thread I am talking about is here:
http(://)hackforums(.)net/showthread.php?tid=5042581

PHP Code


<?php 
while True:
    play = raw_input("Ready to play? (Y/N): ").lower()
    if play != "y" and play != "n":
        print ("You have not selected Y or N. Please select a valid option.")

    if play == "y":
        print ("Let the game's begin")
        break #replace break code with thing you want to actually execute
    elif play == "n":
        print ("Ok you don't want to play")
        break 


Credits:
Evolution - help with appending .lower() for more universal input

Hope Aged finds this thread useful 🙂

[SavageAF]

I'll pm him the link to this thread if he still needs it

[Baba Yaga]

I'll pm him the link to this thread if he still needs it

Thank you 👍

[SavageBoys]

Change the Y/Ns in the ifs to lowercase and append .lower() to the raw_input line to avoid case issues.

[Baba Yaga]

Change the Y/Ns in the ifs to lowercase and append .lower() to the raw_input line to avoid case issues.

I thought of doing that too, but wanted to ask Aged first if he wanted it that way. I'll edit OP to what you mentioned and put you in credits

[Retribute]

I had already PM'd him the full code.

[Ruby On Rails]

I ended up using

PHP Code


<?php 
play = input("Ready to play? (Y/N): ")
while play != "Y" and play != "N":
    print ("You have not selected Y or N, please enter a valid option")
    play = input("Ready to play? (Y/N): ") 


thanks for the help though :) Also, is raw_input still used in 3.5?

[Baba Yaga]

I ended up using

PHP Code


<?php 
play = input("Ready to play? (Y/N): ")
while play != "Y" and play != "N":
    print ("You have not selected Y or N, please enter a valid option")
    play = input("Ready to play? (Y/N): ") 


thanks for the help though :) Also, is raw_input still used in 3.5?

Sorry, it should be just input(). I coded this back in Python 2.7; I'm a dinosaur I know lol

[SavageBoys]

Sorry, it should be just input(). I coded this back in Python 2.7; I'm a dinosaur I know lol

Don't let the version numbers fool you, think of everything above 2.7 as sort of the development branch.

2.7 is very much still the primary with 2.7.10 having been released last May.

[idkyou]

Theres also no reason to have if-elif condition be checked if input != 'y' or 'n'

[JaINTP]

If you're going to do anything, do it right.
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