A metric function that prints to standard output

    :arg str name: name of the metric
    :arg int count: number of items
    :arg float elapsed: time in seconds

def print_metric(name, count, elapsed):
    """A metric function that prints to standard output

    :arg str name: name of the metric
    :arg int count: number of items
    :arg float elapsed: time in seconds
    """
    _do_print(name, count, elapsed, file=sys.stdout)