def get_mention(maintainers):
    """Get a comment mentioning all the `maintainers`."""
    maintainers_mentions = list(map(lambda m: "@" + m, maintainers))
    mentions_comment = ""
    if maintainers_mentions:
        mentions_comment = (
            "Hi " + ", ".join(maintainers_mentions) + ",\n"
            "some modules you are maintaining are being modified, "
            "check this out!"
        )
    return mentions_comment