save project

diy2.py

-username = "python"
-userpassword = "8888"
 while True:
     name = input("请输入用户名:")
     password = input("请输入密码:")
     if name == username and password == userpassword:
         print("登录成功!")
-    print("用户名和密码错误!请重新输入")
-print("欢迎来到贝尔编程!")
\ No newline at end of file
+        break
+if :name!=username
+      print("用户名错误!")     
+if :password!=userpassword
+print("密码错误!")
\ No newline at end of file