some gist

comments

from random import randrange

    
class Player(object):
    def __init__(self, who = 'you'):
        self.score = 0
        self.who = who

    def choose(self):
        '''let's not make choice an instance variable, since it varies on each
        play'''
        choice = int(input("Rock [1] Paper [2] Scissors [3]"))
        return choice
        
    def win_round(self):
        self.score += 1
        
    def win_game(self):
        '''let's make this a bit more modular'''
        print("{} WON the match!".format(self.who))
    

class ComputerPlayer(Player):
    def __init__(self, who = None):
        # py3:
        #super().__init__(who= 'The Computer')
        # py2/py3
        Player.__init__(self, who = 'The Computer')
    
    def choose(self):
        comp_choice = randrange(1, 4)
        return comp_choice
        

class Game(object):
    def __init__(self, num_rounds = 3):
        self.player = Player()
        self.computer = ComputerPlayer()
        self.num_rounds = num_rounds
        self.current_round = 0
        
    def round(self):
        human_choice = self.player.choose()
        comp_choice = self.computer.choose()
        return self.who_won(human_choice, comp_choice)
        
    def play(self):
        for i in range(self.num_rounds):
            self.round()
        if self.player.score > self.computer.score:
            self.player.win_game()
        elif self.computer.score > self.player.score:
            self.computer.win_game()
        else:
            print("it's a tie!")
            

    def who_won(self, score1, score2):
    
        if score1 == score2:
            print("It was a tie.")
        elif score1 == 3 and score2 == 2:
            print("The computer has won. Scissors cut paper.")
            self.computer.win_round()
        elif score1 == 2 and score2 == 3:
            print ("You won. Scissors cut paper.")
            self.player.win_round()
        elif score1 == 2 and score2 == 1:
            print ("You won. Paper covers rock.")
            self.player.win_round()
        elif score1 == 1 and score2 == 2:
            print ("You lost to the computer. Paper covers rock.")
            self.computer.win_round()
        elif score1 == 1 and score2 == 3:
            print ("You won. Rock smashes scissors.")
            self.player.win_round()
        elif score1 == 3 and score2 == 1:
            print ("You lost. Rock smashes scissors.")
            self.computer.win_round()
        self.current_round += 1
    


if __name__ == '__main__':
    game = Game()
    game.play()