def insert_file(service, title, description, parent_id, mime_type, filename):
    """Insert new file.
  Args:
    service: Drive API service instance.
    title: Title of the file to insert, including the extension.
    description: Description of the file to insert.
    parent_id: Parent folder's ID.
    mime_type: MIME type of the file to insert.
    filename: Filename of the file to insert.
  Returns:
    Inserted file metadata if successful, None otherwise.
  """
python + google drive: upload xlsx, convert to google sheet, get sharable link