"Rock-Paper-Scissors" in Python

rps.py

import random

CHOICES = 'rps'


def get_player_choice():
    """Get user input and validate it is one of the choices above"""
    player_choice = None
    while player_choice is None:
        player_choice = input('Choices: \n(R)ock \n(P)aper \n(S)cissors \n\nPick: ')
        if player_choice.lower() not in CHOICES:
            player_choice = None
    return player_choice.lower()


def get_computer_choice():
    """Have the computer pick one of the valid choices at random"""
    computer_choice = random.randint(0, 2)
    computer_choice = CHOICES[computer_choice]
    return computer_choice


def is_draw(player_choice, computer_choice):
    """Check if game was a draw"""
    if player_choice == computer_choice:
        return True


def print_winner(player_choice, computer_choice):
    """Check to see who won"""
    if player_choice == 'r' and computer_choice == 's':
        print('Player wins!')
    elif player_choice == 's' and computer_choice == 'p':
        print('Player wins!')
    elif player_choice == 'p' and computer_choice == 'r':
        print('Player wins!')
    else:
        print('Computer wins!')
        print('%s beats %s' % (computer_choice, player_choice))


def play_game():
    """play the game"""
    player_choice = get_player_choice()
    computer_choice = get_computer_choice()
    if is_draw(player_choice, computer_choice):
        print("It's a draw, both players picked %s: " % player_choice)
    else:
        print("Computer picked: %s" % computer_choice)
        print("Player picked: %s" % player_choice)
        print_winner(player_choice, computer_choice)


if __name__ == "__main__":
    play_game()

add a button to retry it

import random
comp_choise = ['rock' , 'papper' , 'scissor']
while True:
user_input = input(f'choose one {comp_choise} ')
if user_input in ['roc','ROCK','r']:
user_input = 'rock'
elif user_input in ['paper','p','pap']:
user_input = 'papper'
elif user_input in ['scisor', 's', 'scissors']:
user_input = f'{comp_choise()}'
else:
print(f'{user_input} is invalid try again ! ')
comp_action = random.choice(comp_choise)
if user_input == comp_choise:
print(f'ur input is {user_input} and comp is also {comp_action} , try ties again ! ')
elif(user_input == 'rock' and comp_action == 'scissor') or
(user_input == 'scissor' and comp_action == 'papper') or
(user_input == 'papper' and comp_action == 'rock') :
print(f'ur choose {user_input} beats {comp_action} . user win! ')
else:
print('comp {comp_action} beats {user_input} , comp is win ')
play_again = input("Play again? (y/n): ").lower()
if play_again != "y":
print("Thanks for playing!")
break