save project

diy2.py

-username="python"
+= "python"
 userpassword = "123456"
 while True:
     name = input("请输入用户名:")
@@ -6,8 +6,8 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    elif name!="username":    
+if name!="username":    
     print("用户名错误!请重新输入")
-    else password!="password":    
+if password!="password":    
     print("密码错误!请重新输入")
 print("欢迎来到贝尔编程!")