def engagement_rate(followers_who_engaged, total_followers):
    """Return the engagement rate for a social media account.

    Args:
        followers_who_engaged (int): Total unique followers who engaged.
        total_followers (int): Total number of followers.

    Returns:
        Engagement rate (float) as followers_who_engaged / total_followers
    """

    return (followers_who_engaged / total_followers) * 100