def is_comment_line(line):
    """Find commend line to not to interpret as a command

    Return True if given line is a comment, or False.
    Supported comment styles are
      * python ('#')
      * C ('//')
    """

    input_line = line.strip()
    if len(input_line) > 0:
        if (input_line[0] == '#') or (input_line[0:2] == '//'):
            return True
        else:
            return False