class Profile:
    def __init__(self, address, phone):
        self.address = address
        self.phone = phone

    def save_in_db(self):
        pass


class User:
    def __init__(self, username, password):
        self.username = username
        self.password = password

    def save_in_db(self):
        pass


class Account:
    @staticmethod
    def new_account(username, password, address, phone):
        new_user = User(username=username, password=password)
        new_user.save_in_db()

        new_profile = Profile(address=address, phone=phone)
        new_profile.save_in_db()