save project

3.py

@@ -4,13 +4,13 @@ print("玩家选择"+p)
 a=["石头","剪刀","布"]
 n=random.choice(a)
 print("电脑选择"+n)
-if p==n:
-    print("平局")
-elif p=="石头" and n=="剪刀":
-    print("你赢了")
-elif p=="剪刀" and n=="布":
-    print("你赢了")
-elif p=="布" and n=="石头":
-    print("你赢了")
+if p in a :
+   if p==n:
+      print("平局")
+   elif (p=="石头" and n=="剪刀")or(p=="布" and n=="石头")or(p=="剪刀" and n=="布"):
+      print("你赢了")
+   else:
+      print("你输了")
 else:
-    print("你输了")
+    print("错误")
+