new_contents: """
  Python logging example.
  
  - https://docs.python.org/2/library/logging.html
  - https://docs.python.org/2/howto/logging.html
  """
  
  import logging
  
  
  logger = logging.getLogger(__name__)
  
  
  def main(a):
  	logger.debug('Started main().')
  
  	if a:
  		logger.info('The argument "%s" is True!', a)
  	else:
  		logger.error('The argument "%s" is False!', a)
  
  
  if __name__ == '__main__':
  	logging.basicConfig(level=logging.DEBUG)
  
  	main(12)
subject: Add logging