-- This is a "stub" file.  It's a little start on your solution.
-- It's not a complete solution though; you have to write some code.

-- Table to be returned by the hello-world module.
local hello_world = {}

-- Add the hello() function to the table returned by this module.
function hello_world.hello()
  -- Write some code here to pass the test suite.

  -- When you have a working solution, REMOVE ALL THE STOCK COMMENTS.
  -- They're here to help you get started but they only clutter a finished solution.
  -- If you leave them in, reviewers will protest!
  return ''
end

-- Return the hello_world table to make it accessible as a module.
return hello_world