input: from datetime import datetime
  
  def get_date_time():
      """
      Returns a datetime object representing Sunday March 7 at 5:30 PM.
      
      >>> dt = get_date_time()
      >>> print(dt)
      2021-03-07 17:30:00
      """
      dt = datetime(year=2021, month=3, day=7, hour=17, minute=30)
      return dt
output:     dt = datetime(year=2021, month=3, day=7, hour=17, minute=30)
      return dt