Python練習問題4 回答編

import random

d = {"a": "グー", "b": "チョキ", "c": "パー"}

pc_dic = {"a":{"a":"引き分け","b":"あなたの勝ち","c":"あなたの負け"},
          "b":{"b":"引き分け","c":"あなたの勝ち","a":"あなたの負け"},
          "c":{"c":"引き分け","a":"あなたの勝ち","b":"あなたの負け"},
}

user_choice = ""
while True:

    print("じゃーんけーん")
    print("a=グー　b=チョキ　c=パー　aかbかcを入力")
    user = input('>>>  ')
    user = user.lower()
    try:
        user_choice = d[user]
        break
    except:
        continue

pc = random.choice(["a","b","c"])

result = pc_dic[pc][user]

print("ユーザーが選んだのは%s"%d[user])
print("PCが選んだのは%s"%d[pc])
print(result)