class Client(object):
    def __init__(self, client_id: int = None, name: str = None,
            address: str = None, city: str = None, state: str = None,
            postal_code: str = None, phone: str = None,
            email: str = None, pets: str = None):
        self.id =  client_id
        self.name = name
        self.address = address
        self.city = city
        self.state = state
        self.postal_code = postal_code
        self.phone = phone
        self.email = email
        self.pets = pets

    def __str__(self):
        return 'Client({}, {}, {}, {}, {}, {}, {}, {}, {})'.format(
                self.id,
                self.name,
                self.address,
                self.city,
                self.state,
                self.postal_code,
                self.phone,
                self.email,
                self.pets)