Python rock, paper, scissors game

Question

I am using Python and I am trying to write a simple program that simulates a rock, paper, scissors game. Everything works except for when I enter an invalid response (someth

Answer 1

Change

if guess == 'rock' or 'paper' or 'scissors':

to

if guess == 'rock' or guess == 'paper' or guess == 'scissors':

In fact, to make the function as streamlined as possible, just do this:

def is_valid_guess(guess):
    return guess == 'rock' or guess == 'paper' or guess == 'scissors'