rock_paper_scissors.py

import random

moves = ['rock', 'paper', 'scissors']

winners = {
    'player': 0,
    'computer': 0
}


def get_computer_choices():
    # Really hard TODO Can we do better than a random choice
    return random.choice(moves)


def get_winner(computer_choice, player_choice):

    computer_choice = computer_choice.lower()
    player_choice = player_choice.lower()

    # TODO work out who actually won
    winner = 'computer'

    if winner == "computer":
        msg = 'My {computer} beats your {player}. I win!'
    else:
        msg = 'My {computer} loses to your {player}. You win :('

    print(msg.format(computer=computer_choice, player=player_choice))

    return winner


def play():

    # get the computers choice
    computer_choice = get_computer_choices()

    # get the winners choice
    player_choice = input('Enter your choice: ')

    # TODO - make sure they enter a valid choice

    # work out the winner
    winner = get_winner(computer_choice, player_choice)

    # Add 1 to the winners list
    winners[winner] += 1

    print_scores()

    again = input("Play again? y/n: ")

    if again.lower() == 'y':
        play()


def print_scores():

    total = winners['player'] + winners['computer']

    print("We've played {total} games. You've won {won}".format(
        total=total,
        won=winners['player']
    ))

    # TODO - Make this more interesting.
    # e.g. put well done if the player is winning overall.
    # or put 'you need to be better than that to beat me' if the computer is


if __name__ == '__main__':
    print("Let's play Rock, Paper, Scissors")

    play()

    print("Thanks for playing.")