Add day 1 and day 2 solutions

lib/advent_of_code2023.ex

@@ -3,6 +3,7 @@ defmodule AdventOfCode2023 do
   Documentation for `AdventOfCode2023`.
   """
 
+  # Day 1
   def day1_solve_part_1(input_file_path) do
     Day1.parse_file(input_file_path)
     |> Enum.map(&Day1.combine_first_and_last_number/1)
@@ -15,4 +16,9 @@ defmodule AdventOfCode2023 do
     |> Enum.map(&Day1.combine_first_and_last_number/1)
     |> Enum.sum()
   end
+
+  # Day 2
+  def day2_solve_part2(input_file_path) do
+    Day1.parse_file(input_file_path)
+  end
 end

test/day2/day2_solves_tests.exs

@@ -0,0 +1,12 @@
+defmodule Day2SolvesTest do
+  @moduledoc """
+  This module contains tests for the Day2 module.
+  """
+
+  use ExUnit.Case
+  doctest AdventOfCode2023
+
+  test "solves the day 2 part II puzzle correctly" do
+    assert AdventOfCode2023.day2_solve_part_2("./test/day2/mocks/part2-test-case.txt") == 8
+  end
+end

test/day2/mocks/part-2-test-case.txt

@@ -0,0 +1,5 @@
+Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
+Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
+Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
+Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
+Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green