Circumference Calculator Using Radius

Heres some help for your homework

you're welcome :)

Following is lua code.

local findcircumfrence = function(radius)
print ("The circumfrence is ") print(radius * 2 * math.pi )
end
print("What is the radius?")
local ans = io.read()
print ("Radius:",ans)
findcircumfrence(ans)