save project

diy2.py

-username = 'python'
-userpassword = '123456'
+username = "python"
+userpassword = "123456"
 while True:
 while True:
-    name = input("请输入用户名：")
-    password = input("请输入密码：")
+    name = input("请输入用户名:")
+    password = input("请输入密码:")
     if name == username and password == userpassword:
     if name == username and password == userpassword:
-        print("登陆成功！")
-        break
-    if name  != username:
-        print("密码输入有误，请重新输入！")
-    if password  != userpassname:    
-
-    print("用户名和密码错误！请重新输入!")
+        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!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file