random number test in Lua - E and J helped

lua/randTest.lua

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+io.write("Pick a number: ")
+local number = io.read("*n")
+local randnum = math.random(1, number)
+print("The number is ", randnum)
+-- ask to rerun script
+print("Run again (y/n)?")
+local cmd = io.read()
+if cmd == "y" then
+  dofile("randTest.lua")
+else end

lua/randTestHelped.lua

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+-- 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