def seconds_to_str(value):
    """Convert seconds to a simple simple string describing the amount of time."""
    if value < 60:
        return "%s seconds" % round(value, 2)
    elif value < 3600:
        return "%s minutes" % round(value / 60, 2)
    else:
        return "%s hours and %s minutes" % (round(value / 3600, 2), round((value % 3600) / 60, 2))