Build a self modifying program who get data from internet

def get_data():
  print("I'm getting data from internet")
  return "some data"

def get_data_with_cache():
  print("I'm getting data from internet with cache")
  return "some data with cache"

def get_data_with_cache_and_retry():
  print("I'm getting data from internet with cache and retry")
  return "some data with cache and retry"

def main():
  get_data()
  get_data_with_cache()
  get_data_with_cache_and_retry()

main()