1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16YEAR = %%YEAR%% DAY = %%DAY%% INPUT_FILENAME = "%s/%02d/input.txt" % [YEAR, DAY] def function() sum = 0 File.open(INPUT_FILENAME).each() do |line| # content goes here end sum end puts "Part 1: #{function()}" puts "Part 2: #{function()}"