code: def get_service_task_ids(
          service_name,
          task_predicate=None,
          inactive=False,
          completed=False
  ):
      
      tasks = get_service_tasks(service_name, inactive, completed)
      if task_predicate:
          return [t['id'] for t in tasks if task_predicate(t)]
      else:
          return [t['id'] for t in tasks]
docs: Get a list of task IDs associated with a service
          :param service_name: the service name
          :type service_name: str
          :param task_predicate: filter function which accepts a task object and returns a boolean
          :type task_predicate: function, or None
          :param inactive: whether to include inactive services
          :type inactive: bool
          :param completed: whether to include completed services
          :type completed: bool
  
          :return: a list of task ids
          :rtye: [str], or None