from math import ceil

def chunk(lst, size):
  return list(
    map(lambda x: lst[x * size:x * size + size],
      list(range(0, ceil(len(lst) / size)))))
#chunk([1, 2, 3, 4, 5], 2) # [[1,2],[3,4],[5]]
print (chunk([1, 2, 3, 4, 5], 2)) # [[1,2],[3,4],[5]]

(https://www.30secondsofcode.org/python/s/chunk)