save project

diy2.py

@@ -2,12 +2,15 @@ import random
 list=["石头","剪刀","布"]
 while True:
     player=input("请出 石头/剪刀/布")
-    computer=random.choice(list)
-    print("玩家出拳："+player)
-    print("电脑出拳："+computer)
-    if player==computer:
-        print("平局！")
-    elif (player=="石头"and computer=="剪刀") or (player=="剪刀"and computer=="布")or (player=="布"and computer=="石头"):
-        print("恭喜你，你赢了！")
-    else: 
-        print("很抱歉，你输了！")
+    if player in list:
+        computer=random.choice(list)
+        print("玩家出拳："+player)
+        print("电脑出拳："+computer)
+        if player==computer:
+            print("平局！")
+        elif (player=="石头"and computer=="剪刀") or (player=="剪刀"and computer=="布")or (player=="布"and computer=="石头"):
+                print("恭喜你，你赢了！")
+        else: 
+            print("很抱歉，你输了！")
+    else:
+        print("你输的不对！！！")
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