def are_all_0(lists, index):
    """Check if the values at the same index in different list are all to 0.

    :param list lists: a list of lists to check the value in.
    :param int index: the index of the values to check in the lists.

    :returns: True if all the values at the index in the lists are set to 0, False if at least one of them is not 0.

    """
    for l in lists:
        if l[index] != 0:
            return False
    return True