# Press Shift+F10 to execute it or replace it with your code.
# Press Double Shift to search everywhere for classes, files, tool windows, actions, and settings.
print("Welcome, user, to Rock Paper Scissors, or RPS for short.")

#functions go here

def yes_no(question):
    """Checks user response to a question is yes / no (y/n), returns 'yes' or 'no' """

    while True:
        response = input(question).lower()
    # check if the user says yes or no
        if response == "yes" or response == "y":
            return "yes"
        elif response == "no" or response == "n":
            return "no"
        else:
            print("nah twan u tweakin frfr (please enter yes/no) ")

# Main Routine

#testing loop..
while True:
    want_instructions = yes_no("Would you like to read the rules? ")
    print(f"you chose {want_instructions}")

print("BIOMETRIC SCANNING COMPLETE")
print("PROCEEDING...")