save project

diy1.py

 # 玩家出拳
 you=input("玩家出拳(石头/剪刀/布):")
 print("玩家出拳："+you)
-
+#机器出拳
 import random
 list=["石头","剪刀","布"]
 xi=random.choice(list)
 print("机器出拳："+xi)
-
-if you==xi:
-    print("平局")
-elif you=="石头" and xi=="剪刀":
-    print("恭喜，你赢了")   
-elif you=="剪刀" and xi=="布":
-    print("恭喜，你赢了") 
-elif you=="布" and xi=="石头":
-    print("恭喜，你赢了")
+if you in list:
+    if you==xi:
+        print("平局")
+    elif you=="石头" and xi=="剪刀":
+        print("恭喜，你赢了")   
+    elif you=="剪刀" and xi=="布":
+        print("恭喜，你赢了") 
+    elif you=="布" and xi=="石头":
+        print("恭喜，你赢了")
+    else:
+        print("抱歉，你输了") 
 else:
-    print("抱歉，你输了") 
+    print("输入错误")
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