chunklist Function
chunklist splits a single list into fixed-size chunks, returning a list
of lists.
chunklist(list, chunk_size)Examples
> chunklist(["a", "b", "c", "d", "e"], 2)
[
  [
    "a",
    "b",
  ],
  [
    "c",
    "d",
  ],
  [
    "e",
  ],
]
> chunklist(["a", "b", "c", "d", "e"], 1)
[
  [
    "a",
  ],
  [
    "b",
  ],
  [
    "c",
  ],
  [
    "d",
  ],
  [
    "e",
  ],
]