---- importing ----
require('example')

-- Call our gcd() function
x = 42
y = 105
g = example.gcd(x,y)
print("The gcd of",x,"and",y,"is",g)

-- Manipulate the Foo global variable

-- Output its current value
print("Foo = ", example.Foo)

-- Change its value
example.Foo = 3.1415926

-- See if the change took effect
print("Foo = ", example.Foo)