Filter

Select certain elements from an Array into a new Array in a generic way. E.g., select all even numbers from an Array

Filter
You are encouraged to solve this task according to the task description, using any language you may know.

Ruby

 ary = [1,2,3,4,5,6]
 even_ary = ary.select{|el|el%2==0}
 # => [2, 4, 6]