each_collect.rb

# each
def each(array)
  i = 0 
  until i == array.length do
    yield(array[i])
    i+=1
  end
  array
end


# collect
def collect(array)
  new_array = []
  i = 0 
  until i == array.length do
     new_array << yield(array[i])
    i+=1
  end
  new_array
end