auto save

diy2.py

-q = "python"
-u = "123456"
+username = "python"
+userpassword = "123456"
 while True:
-    b = input("")
-    a = input("")
+    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!")
-        break
     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
-if q!=b
-     
\ No newline at end of file