save project

diy1.py

@@ -5,13 +5,16 @@ import random
 list=["石头","剪刀","布"]
 b=random.choice(list)
 print("电脑："+b)
-if b==play:
-    print("平局")
-elif b=="剪刀"and play=="石头"
-    print("赢了")
-elif b=="石头"and play=="布"
-    print("赢了")
-elif b=="布"and play=="剪刀"
-    print("赢了")
+if play in list:
+    if b==play:
+        print("平局")
+    elif b=="剪刀"and play=="石头"
+        print("赢了")
+    elif b=="石头"and play=="布"
+        print("赢了")
+    elif b=="布"and play=="剪刀"
+        print("赢了")
+    else:
+        print("输了")
 else:
-    print("输了")
+    print("输入错误")
\ No newline at end of file