save project

diy1.py

@@ -4,9 +4,12 @@ print("玩家出拳:"+player)
 letter=["石头","剪刀","布"]
 computer=random.choice(letter)
 print("计算机出拳:"+computer)
-if player==computer:
-    print("平局")
-elif player=="剪刀" and computer=="布" or  player=="布" and computer=="石头" or player=="石头" and computer=="剪刀":
-    print("你赢了")
+if player in letter:
+    if player==computer:
+        print("平局")
+    elif player=="剪刀" and computer=="布" or  player=="布" and computer=="石头" or player=="石头" and computer=="剪刀":
+        print("你赢了")
+    else:
+        print("你输了")
 else:
-    print("你输了")
+    print("错误")