save project

diy1.py

 # 玩家出拳
 # 玩家出拳
 player = input("请出拳(石头/剪刀/布)") 
 player = input("请出拳(石头/剪刀/布)") 
 print("玩家出拳："+player)
 print("玩家出拳："+player)
-
 import random
 import random
 list = ["石头","剪刀","布"]
 list = ["石头","剪刀","布"]
 computer = random.choice(list)
 computer = random.choice(list)
-input("计算机出拳："+computer)
-if player==computer:
-    print("平局")
-elif (player=="剪刀"and computer=="石头")or (player=="布"and computer =="剪刀")or( player=="石头"and computer=="布"):
-    print("很遗憾,你输了")
-else:
-    print("恭喜,你赢了")
+if player in list:
+    input("计算机出拳："+computer)
+    if player==computer:
+        print("平局")
+    elif (player=="剪刀"and computer=="石头")or (player=="布"and computer =="剪刀")or( player=="石头"and computer=="布"):
+            print("很遗憾,你输了")
+    else:
\ No newline at end of file
+            print("恭喜,你赢了")
+else: 
+    print("输入错误")   
\ No newline at end of file