save project

diy1.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
+    name = input("请输入用户名")
     if name != username:
     if name != username:
         print("用户名错误")
         print("用户名错误")
         continue
         continue
-    name = input("请输入用户名")
     password = input("请输入密码")     
     password = input("请输入密码")     
     if name == userpassword_1 and userpassword_1==userpassword:
     if name == userpassword_1 and userpassword_1==userpassword:
         print("登录成功")
         print("登录成功")