word_count.exs

defmodule Words do
  @doc """
  Count the number of words in the sentence.

  Words are compared case-insensitively.
  """
  @spec count(String.t) :: map()
  def count(sentence) do

  end



end



map = %{}
split_words = String.split(words)
Enum.each(split_words, &(Map.put(map,String.to_atom(&1),1)) 



# reduce a list of strings to a map whose keys are the strings, and values are a number representing the occurence of that string within the list