-- Assistance from a friend

-- Instantiate all the things
local run = true
local cmd, number, randnum

-- Start a loop
while run == true do
  -- Get the users initial number
  print("Pick a number: ")
  number = io.read("*n")

  -- Do some mathemagic
  randnum = math.random(1, number)
  print("The number is ", randnum)

  -- Ask to rerun script
  io.read()
  print("Run again (Y/n)?")
  cmd = io.read("*l")

  -- Exit if the user doesn't want to go again
  if string.lower(cmd) ~= "y" then
    run = false
  end
end