def METHOD_NAME(screen_name, with_sudoer=False):
    if with_sudoer:
        cmd_1 = ['sudo', 'screen', '-ls']
    else:
        cmd_1 = ['screen', '-ls']
    cmd_2 = ['egrep', '[0-9]+.{}'.format(screen_name)]
    p1 = subprocess.Popen(cmd_1, stdout=subprocess.PIPE)
    p2 = subprocess.Popen(cmd_2, stdin=p1.stdout, stdout=subprocess.PIPE)
    p1.stdout.close()  # Allow p1 to receive a SIGPIPE if p2 exits.
    output = p2.communicate()[0]
    if output:
        return True
    return False