save project

diy1.py

@@ -5,9 +5,12 @@ print("请选择"+z)
 l=["石头","剪刀","布"]
 a=random.choice(l)
 print(a)
-if z==a:
-    print("平局")
-elif (z=="石头" and a=="剪刀") or (z=="剪刀" and a=="布") or (z=="布" and a=="石头"):
-    print("你赢了！")    
+if z in l:
+    if z==a:
+        print("平局")
+    elif (z=="石头" and a=="剪刀") or (z=="剪刀" and a=="布") or (z=="布" and a=="石头"):
+        print("你赢了！")    
+    else:
+        print("你输了！")
 else:
-    print("你输了！")    
\ No newline at end of file
+    print("输入错误")