skamithi · August 29, 2015 14:16
diff --git a/in_javascript.coffee b/in_javascript.coffee
 # requires underscore.js
 _und = require 'underscore'
 a = [1,2,3,4]
 b = [4,3,2,1]
 _und.difference(a,b) == []
diff --git a/in_python.py b/in_python.py
 a = [1,2,3,4]
 b = [4,3,2,1]
 set(a) == set(b) 
diff --git a/in_ruby.rb b/in_ruby.rb
 require 'set'
 a = [1,2,3,4].to_set
 b = [4,3,2,1].to_set
 a == b
	# requires underscore.js
	_und = require 'underscore'
	a = [1,2,3,4]
	b = [4,3,2,1]
	_und.difference(a,b) == []