Echo the string to standard out, prefixed with the current date and time in UTC format.

    :param string: string to echo

def echo_utc(string):
    """Echo the string to standard out, prefixed with the current date and time in UTC format.

    :param string: string to echo
    """
    from datetime import datetime
    click.echo('{} | {}'.format(datetime.utcnow().isoformat(), string))