code: def get_work_item_by_id(self, wi_id):
          '''
          Retrieves a single work item based off of the supplied ID
  
          :param wi_id: The work item ID number
          :return: Workitem or None
          '''
          work_items = self.get_work_items(id=wi_id)
          if work_items is not None:
              return work_items[0]
          return Nonf get_work_item_by_id(self, wi_id):
          '''
          Retrieves a single work item based off of the supplied ID
  
          :param wi_id: The work item ID number
          :return: Workitem or None
          '''
          work_items = self.get_work_items(id=wi_id)
          if work_items is not None:
              return work_items[0]
          return None
docs: Retrieves a single work item based off of the supplied ID
  
          :param wi_id: The work item ID number
          :return: Workitem or None