code: def create(customer, **data):
          
          if isinstance(customer, resources.Customer):
              customer = customer.id
  
          http_client = HttpClient()
          response, _ = http_client.post(routes.url(routes.CARD_RESOURCE, customer_id=customer), data)
          return resources.Card(**response)
docs: Create a card instance.
  
          :param customer: the customer id or object
          :type customer: string|Customer
          :param data: data required to create the card
  
          :return: The card resource
          :rtype resources.Card