save project

diy1.py

@@ -4,13 +4,16 @@ import random
 list=("剪刀","石头","布")
 computer=random.choice(list)
 print("电脑出拳:"+computer)
-if player==computer:
-    print("平")
-elif player=="石头" and computer=="剪刀":
-    print("胜")
-elif player=="剪刀" and computer=="布":
-    print("胜")
-elif player=="布" and computer=="石头":
-    print("胜")
+if player in list:
+    if player==computer:
+        print("平")
+    elif player=="石头" and computer=="剪刀":
+        print("胜")
+    elif player=="剪刀" and computer=="布":
+        print("胜")
+    elif player=="布" and computer=="石头":
+        print("胜")
+    else:
+        print("负")
 else:
-    print("负")
\ No newline at end of file
+    print("输入错误")
\ No newline at end of file