def is_comment(txt_row):
    """ Tries to determine if the current line of text is a comment line.
    Args:
      txt_row (string): text line to check.
    Returns:
      True when the text line is considered a comment line, False if not.
    """
    if (len(txt_row) < 1):
        return True
        
    if ((txt_row[0] == '(') and (txt_row[len(txt_row) - 1] == ')')):
        return True
    else:
        return False