new_contents: import sys
  import time
  from watchdog import Observer, FileSystemEventHandler
  import logging 
  
  logging.basicConfig(level=logging.DEBUG)
  
  class MyEventHandler(FileSystemEventHandler):
      def catch_all_handler(self, event):
          logging.debug(event)
  
      def on_moved(self, event):
          self.catch_all_handler(event)
  
      def on_created(self, event):
          self.catch_all_handler(event)
  
      def on_deleted(self, event):
          self.catch_all_handler(event)
  
      def on_modified(self, event):
          self.catch_all_handler(event)
  
  
  event_handler = MyEventHandler()
  observer = Observer()
  observer.schedule('a-unique-name', event_handler, *sys.argv[1:])
  observer.start()
  try:
      while True:
          time.sleep(1)
  except KeyboardInterrupt:
      observer.unschedule('a-unique-name')
      observer.stop()
  observer.join()
  
subject: Add an example file named simple.py to documentation.