   two equivalent strings
   """
   def distance(same, same, _max_cost, current_cost) do
+    # IO.puts "Remaining strings the same: #{same}"
     current_cost
   end
 

  ran out of characters on first string, add second string length as cost
  """
  def distance("", target, max_cost, current_cost) do
    distance("", "", max_cost, current_cost + String.length(target))
  end


  empty strings
  """
  def distance("", "", _max_cost, current_cost) do
    # IO.puts "Remaining strings empty"
    current_cost
  end

