Sorting Function

gistfile1.txt

def find_highest_index(array)
 second_array = array.clone
  while array.count > 1
    first_number = array.first
    index = array.index(first_number)
    if first_number > array[index + 1]
      array.delete_at(index + 1)
    else
      array.delete_at(index)
    end
  end
  second_array.index(array.first)
end