# Check that users have entered a valid # option based on a list def string_checker(question, valid_ans=("yes", "no")): error = f"Please enter a valid option from the following list: {valid_ans}" while True: # Get user response and make sure it's lowercase user_response = input(question).lower() for item in valid_ans: # check if the user response is a word in the list if item == user_response: return item # check if the user response is a word in the list # the first letter of an item in the list elif user_response == item[0]: return item # print error if user does not enter something that is valid print(error) print() # check if the user response is a word in the list # the first letter of an item in the list elif user_response == item[0]: return item # print error if user does not enter something that is valid print(error) print() # Main routine print() print("💎📰✂️ Rock / Paper / Scissors 💎📰✂️") print() # ask user if they want to see the instructions and display # them if needed print("we done")