Snippet in python for doing something periodically

period.py

import time

def print_period(period):
  """
  Prints every PERIOD minute

  :param period: <int> period in minutes
  :return: None
  """
  while True:
    mins, secs = time.strftime("%M %S").split()
    if int(mins) % period == 0 and int(secs) == 0:
      print('hello')
      time.sleep(period * 60 / 2) # For miliseconds