Given a list, find the last occurance of a sublist within it.

    Returns:
        Index where the sublist starts, or None if there is no match.

def find_last_sublist(list_, sublist):
    """Given a list, find the last occurance of a sublist within it.

    Returns:
        Index where the sublist starts, or None if there is no match.
    """
    for i in reversed(range(len(list_) - len(sublist) + 1)):
        if list_[i] == sublist[0] and list_[i:i + len(sublist)] == sublist:
            return i
    return None