Prabesh有正确的方法,但是在Mitchell的例子中,列表选项是大写的。所有内容都应转换为lower(),以确保所有内容都相等,包括随机决策
decision = decision.lower() random_decision = random.choice(list).lower() # now do the if/else checking as normal if decision == 'rock' and random_decision == 'paper': etc...