save project

diy2.py

-username = "python"
-userpassword = "123456"
+username = "python"    # 保存在服务器数据库中的用户账号（正确的账号）
+userpassword = "123456"    # 保存在服务器数据库中的用户密码（正确的密码）
+
 while True:
 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!")
+    myusername = input("账号：")
+    myuserpassword = input("密码：")
+    if myusername == username and myuserpassword == userpassword:
+        print("登录成功")
+        break
+    if myusername == username:
\ No newline at end of file
+        print("账号错误！")
+    if myuserpassword == userpassword:
+        print("密码错误！")
+print("欢迎！")
\ No newline at end of file