save project

diy2.py

@@ -6,8 +6,5 @@ while True:
     if name == username and password == userpassword:
     if name == username and password == userpassword:
         print("登录成功!")
         print("登录成功!")
         break
         break
-    if  name != username:
-         print("用户名不存在，请重新输入!")
-    if  password !=userpassword:
+    print("用户名和密码错误!请重新输入")
+print("欢迎来到贝尔编程!")
\ No newline at end of file
-         print("密码输入有误，请重新输入！")     
-print("欢迎来到贝尔编程!")