Stream.iterate and Advent of Code Day 1

Let's give the Advent of Code a try! 2019 is my first year checking it out, and I solved all of day one from within IEx.

It's also interesting to see everyone else's solutions on Github. One of my favorites was Sasa Juric's solution, which used &Stream.iterate/2 to do the recursion necessary in the 2nd part of the problem.

It's not to late to join Advent of Code! Just follow this link:

Saša Jurić's solution:

Hexdocs for Stream.iterate

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