save project

diy2.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
-while True:
+while name == username and password == userpassword:
     name = input("请输入用户名:")
     name = input("请输入用户名:")
-    if name != username:
+    if username != name:
         print("用户名错误!请重新输入")
         print("用户名错误!请重新输入")
-        continue
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登录成功!")
-        break
-    if password != userpassword:
+    elif password != userpassword:
         print("密码错误!请重新输入")
         print("密码错误!请重新输入")
+        password = input("请输入密码:")
+print("登录成功!")
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file