def notifications(notifications_list, max_chars):
    """
    IMPORTANT: You should NOT use loops or list comprehensions for this question.
    Instead, use lambda functions, map, and/or filter.

    Given a list of notifications and the number of max characters, determine the
    number of notifications that you received the alert for.

    >>> notif = ['John, Call us', 'Please review our Subscription Policy', \
    'Congrats, you are enrolled in DSC20', 'Pay you rent tomorrow']
    >>> notifications(notif, 35)
    3
    >>> notifications(notif, 1)
    0
    >>> notifications(notif, 100)
    4
    """
    return list(map(lambda notifs: True if len(notifs) <= max_chars else False, notifications_list)).count(True)