methods

I am working on a Python class for my web development project, and I am stuck at a strange error. I have a class `User` which has an attribute `username`. I am trying to create a class method `get_user_by_username` which takes in a username as an argument and returns an instance of the `User` class with that username. Here’s my code:

class User:
def __init__(self, username):
self.username = username
@classmethod
def get_user_by_username(cls, username):
return cls(username)

Now, when I try to create a new user instance and call the `get_user_by_username` method, it throws me an error saying `TypeError: get_user_by_username() missing 1 required positional argument: ‘username’`. Here’s my code:

user1 = User('John')
user2 = User.get_user_by_username()

I am not sure what I am doing wrong here. I am passing the `username` argument to the `User` class constructor while creating a new instance, and it works perfectly fine. But when I try to call the `get_user_by_username` method, it expects me to pass the `username` argument again, even though I am calling it on the class itself. Can anyone help me fix this error and implement the `get_user_by_username` method properly? Thank you in advance.