__all__ = ['AddressBook']


class AddressBook(object):
    pass
__all__ = ['AddressBook']


class AddressBook(object):

    def __init__(self):
        self.persons = []

    def add_person(self, person):
        self.persons.append(person)

Add persons storage and `add_person` method to `AddressBook` class
Add persons storage and `add_person` method to `AddressBook` class
