save project

diy4.py

@@ -4,14 +4,16 @@ print("玩家出拳:"+player)
 list=["石头","剪刀","布"]
 a=random.choice(list)
 print("机器人出拳"+a)
-if player==a:
-    print("平局了")
-elif player=="石头" and a=="剪刀":
-    print("你赢了")
-elif player=="剪刀" and a=="布":
-    print("你赢了")
-elif player=="布" and a=="石头":
-    print("你赢了")
+if player in list:
+    if player==a:
+        print("平局了")
+    elif player=="石头" and a=="剪刀":
+        print("你赢了")
+    elif player=="剪刀" and a=="布":
+        print("你赢了")
+    elif player=="布" and a=="石头":
+        print("你赢了")
+    else:
+        print("你输了")
 else:
-    print("你输了")
-    
\ No newline at end of file
+    print("输入错误")
\ No newline at end of file