code: def get(self, location_name):
          
          location_ref = location_helper(location_name, search_only=True)
          if location_ref:
              for location in self:
                  if location.location_ref == location_ref:
                      return location
docs: Get a contact address by location name
          
          :param str location_name: name of location
          :return: return contact address element or None
          :rtype: ContactAddress