save project

diy1.py

@@ -6,6 +6,10 @@ while True:
     mg = input('输入密码')
     if a ==  username and mg == userpassword:
         print('登录成功')
-        break        
+        break
+    if a !=username:
+        print(账错)
+    if a !=username:
+        print(密错)     
     print('重输')
 # 如果用户输入的账号、密码正确，提示登陆成功
\ No newline at end of file