save project

diy1.py

@@ -18,12 +18,13 @@ a=input("请出拳剪刀或石头或布：")
 b=random.choice(list)
 b=random.choice(list)
 print("玩家出拳：",a)
 print("玩家出拳：",a)
 print("电脑出拳",b)
 print("电脑出拳",b)
-while True:
+if a in list: 
     if a==b:
     if a==b:
         print("平局")
         print("平局")
-    elif a=="剪刀" and b=="布" or a=="布" and b=="石头" or a=="石头" and b=="剪刀" :
+    elif (a=="剪刀" and b=="布") or (a=="布" and b=="石头") or (a=="石头" and b=="剪刀") :
         print("玩家胜利")
         print("玩家胜利")
     else:
     else:
         print("电脑胜利")  
         print("电脑胜利")  
-
+else:
+    print("输入错误")