Example alturnate solution to https://codereview.stackexchange.com/q/180920

something.py

from itertools import groupby


def sublist_size(max_size):
    cur_size = 0
    id_ = 0
    def inner(n):
        nonlocal cur_size, id_
        if len(n) > max_size:
            raise ValueError(f'Use a bigger size than {max_size}')
        cur_size += len(n)
        if cur_size > max_size:
            cur_size = len(n)
            id_ += 1
        return id_
    return inner


data = ["1", "22", "333", "4444", "55555", "666666", "7777777", "88888888"]
for n in range(17):
    try:
        print(n, [list(v) for k, v in groupby(data, sublist_size(n))])
    except ValueError as e:
        print(e)