code: def retrieve(self, id) :
          
  
          _, _, contact = self.http_client.get("/contacts/{id}".format(id=id))
          return contact
docs: Retrieve a single contact
  
          Returns a single contact available to the user, according to the unique contact ID provided
          If the specified contact does not exist, the request will return an error
  
          :calls: ``get /contacts/{id}``
          :param int id: Unique identifier of a Contact.
          :return: Dictionary that support attriubte-style access and represent Contact resource.
          :rtype: dict