code: def _id_to_task(t_id):
      if t_id[0] == "#":
          # this is a tag, so return all the tasks for this tag
          return ",".join(
              (d["task"] for d in _id_to_task_data(t_id[1:]))
          )
      else:
          # this should already be in task form
          return t_id
  
imports: from .task_list import task_list
  from collections import defaultdict
label_desc: Use image node_id 4 for calling a global function with example usage: _id_to_task(t_id) and returns: str, t_id