from math import ceil

def chunk_into_n(lst, n):
    size = ceil(len(lst) / n)
    return list(
        map(lambda x: lst[x * size:x * size + size],
            list(range(n)))
    )

chunk_into_n([1, 2, 3, 4, 5, 6, 7], 4) # [[1, 2], [3, 4], [5, 6], [7]]