石头剪子布游戏

import random
ops = {'s' : 2, 'j' : 1, 'b' : 0}

while True:
        x = raw_input('you>')
        ss = random.randint(0, 2)
        for t in ops.iteritems():
                if t[1] == ss:
                        print 'pc:',t[0]
        rs = ops[x] - ss
        if rs == 1 or rs == -2:
                print 'win'
        elif rs == 0:
                print 'equal'
        else:
                print 'lose'