code: def compute_daily_period():
      now = datetime.datetime.now()
      return f"{now.year}-{now.month}-{now.day}"
  
imports: import copy
  import datetime
  import random
  import string
  from typing import Dict, Optional, Callable, List
  from dacite import from_dict
  from dataclasses import asdict, dataclass, field
  from sqlitedict import SqliteDict
  from helm.common.authentication import Authentication
  from helm.common.general import hlog
label_desc: Use image node_id 2 for calling a global function with example usage: compute_daily_period() and returns: now, str, now, str, now