input: Write a function that returns an object representing the date and time of Sunday March 7 5:30 PM.
  from datetime import datetime
  
  def get_date_time():
      dt = datetime(year=2021, month=3, day=7, hour=17, minute=30)
      return dt
  
  date_time = get_date_time()
  assert str(date_time) == "2021-03-07 17:30:00"
output: from datetime import datetime
  
  def get_date_time():
      dt = datetime(year=2021, month=3, day=7, hour=17, minute=30)
      return dt