python-tutorial/rock_paper_scissor.py at main · Hamidmirzapour/python-tutorial · GitHub

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from random import choice
import sys


class RPS:
    def __init__(self) -> None:
        print("Welcome to RPS 9000!")

        self.moves: dict = {'rock': '🪨', 'paper': '📄', 'scissors': '✂️'}
        self.valid_moves: list[str] = list(self.moves.keys())

    def play_game(self):
        user_move: str = input("Rock, paper, or scissors? >> ").lower()

        if user_move == 'exit':
            print('Thanks for playing!')
            sys.exit()

        if user_move not in self.valid_moves:
            print('Invalid move ...')
            self.play_game()

        ai_move: str = choice(self.valid_moves)

        self.display_moves(user_move, ai_move)
        self.check_moves(user_move, ai_move)


    def display_moves(self, user_move, ai_move):
        print('----')
        print(f'You: {self.moves[user_move]}')
        print(f'AI: {self.moves[ai_move]}')
        print('----')

    def check_moves(self, user_move, ai_move):
        if user_move == ai_move:
            print('It\'s a tie!')
        elif user_move == 'rock' and ai_move == 'scissors':
            print('You win!')
        elif user_move == 'paper' and ai_move == 'rock':
            print('You win!')
        elif user_move == 'scissors' and ai_move == 'paper':
            print('You win!')
        else:
            print('AI win ...')


if __name__ == '__main__':
    rps = RPS()
    while True:
        rps.play_game()