code: def guess_mime_type(self, path):
  		
  		_, ext = posixpath.splitext(path)
  		if ext in self.extensions_map:
  			return self.extensions_map[ext]
  		ext = ext.lower()
  		return self.extensions_map[ext if ext in self.extensions_map else '']
docs: Guess an appropriate MIME type based on the extension of the
  		provided path.
  
  		:param str path: The of the file to analyze.
  		:return: The guessed MIME type of the default if non are found.
  		:rtype: str