code: def parse_execution_date(execution_date_str):
      """Parse execution date string to datetime object."""
      return timezone.parse(execution_date_str)
  
file_path: airflow/airflow/utils/dates.py
imports: from __future__ import annotations
  import warnings
  from datetime import datetime, timedelta
  from typing import Collection
  from croniter import croniter
  from dateutil.relativedelta import relativedelta
  from airflow.exceptions import RemovedInAirflow3Warning
  from airflow.typing_compat import Literal
  from airflow.utils import timezone
label_desc: Use image node_id 6 for calling a global function with example usage: parse_execution_date(execution_date_str) and returns: timezone