Module:Sandbox/hdinh77 explained

--Hdinh77 Google Code-in, Introduction to Lua in Wikipedia

--Hdinh77 Google Code-in, Working with Lua Modules in Wikipedia

local p = -- p stands for package

function p.hello(frame) return "Hello, world!"end

p.Hi = function(frame) strName = frame.args.name or "Jimbo" return "Hello from Lua to my friend " .. strName .. ".
"end

function p.temperature(frame) cel = tonumber(frame.args.celsius) or 0 fah = cel * 9.0 / 5.0 + 32.0 msg = cel.." degrees Celsius is "..fah.." degrees Fahrenheit. " if cel > 9 then msg = msg.."It is warm." else msg = msg.."It is cold." end return msgend

return p