transpose-list-of-lists.md

Transpose a list of lists

If you have a list of lists (or any sequences really), and want to join the lists together such that all the items in the same position in the original lists are in a new list together, here's how to do it!

(It's hard to explain but the code snippet makes it clear. This is kinda niche but it comes up from time to time.)

https://stackoverflow.com/questions/6473679/transpose-list-of-lists

>>> somelist = [
...   ['a', 'b', 'c'],
...   [1, 2, 3]
... ]
...
>>> list(zip(*somelist))
[
  ['a', 1],
  ['b', 2],
  ['c', 3],
]