auto save

diy2.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
+    if i>0
         name = input("请输入用户名:")
         name = input("请输入用户名:")
         password = input("请输入密码:")
         password = input("请输入密码:")
         if name == username:
         if name == username:
@@ -12,4 +13,6 @@ while True:
                 print("密码错误！请重新输入")
                 print("密码错误！请重新输入")
         else:
         else:
             print("用户名错误！请重新输入")
             print("用户名错误！请重新输入")
+    else:
+        
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file