ran rubocop

day01/solution.rb

@@ -1,16 +1,11 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
 
 require 'pry'
 
 # Part 1
 
-real_input = File.read("./input")
-sample = '3   4
-4   3
-2   5
-1   3
-3   9
-3   3'
+real_input = File.read('./input')
 
 input = real_input
 
@@ -26,4 +21,3 @@ puts solution
 
 p2 = col1.map { |value| value * col2.count(value) }.sum
 puts p2
-