new_contents: import os
  from datetime import datetime
  
  
  class Result:
      def __init__(self, directory):
          date = datetime.fromtimestamp(time())
          name = '%d-%d-%d_%d-%d-%d' % (datetime.year,
                                        datetime.month,
                                        datetime.day,
                                        datetime.hour,
                                        datetime.minute,
                                        datetime.second)
          self.file = File(directory, name)
  
  
  class File:
      def __init__(self, directory, name):
          if not os.path.exists(directory):
              os.makedirs(directory)
          self.path = os.path.join(directory, name)
          if not os.path.exists(self.path):
              open(self.path, 'a').close()
  
      def write_line(self, text):
          stream = open(self.path, 'w')
          stream.write('%s\n' % text)
          stream.close()
  
subject: Create Result class with file