rock, paper, scissors

from random import choiceclass RPS:    """Rock, paper, scissors"""    win = {'r': 's', 's': 'p', 'p': 'r'}    rps_word = {'r': 'rock', 'p': 'paper', 's': 'scissors'}        def __init__(self, char=''):        if char == '':            self.value = choice('rps')        else:            self.value = char                def __cmp__(self, other):        if self.value == other.value:            return 0        if self.win[self.value] == other.value:            return 1        return -1        def __str__(self):        return self.rps_word[self.value]if __name__ == '__main__':    me = RPS()    you = RPS(raw_input('Choose (r)ock, (p)aper or (s)cissors: '))    print 'Mine:', me    print 'Yours:', you    if you > me:        print 'Congratulations! You win!'    elif me > you:        print 'I win!'    else:        print "Oh, it's a draw."