input: Write a function in Python that returns an object of the following time and date: Sunday March 7th, 2021 5:30 PM.
  
  assert get_date_time()==datetime(2021, 3, 7, 17, 30)
  print(get_date_time()) # will output 2021-03-07 17:30:00
output: def get_date_time():
      return datetime(2021, 3, 7, 17, 30)