Solution 1 :

arr = []
animals.each_with_index { |item, index| arr.push( "#{index}:#{item}" ) unless index < skip }
arr

Solution 2 : animals.map.with_index { |item, index| ( "#{index}:#{item}" ) unless index < skip }.compact

Here is Ruby - Enumerable - each_with_index problem solution - https://www.gyangav.com/2022/10/hackerrank-ruby-enumerable-each-with-index-problem-solution.html

Here are the solution of HackerRank Ruby Enumerable each_with_index Solution you can find All HackerRank Ruby Tutorial solutions in Single Post HackerRank Ruby Tutorial solutions

def skip_animals(animals, skip) arr=[] animals.each_with_index{|a, index| arr.push("#{index}:#{a}") if index>=skip} return arr end