sapi

function walk(dist)
    print("Turtle moving" .. tostring(dist))
    for i=1,dist do
        turtle.forward()
    end
end

function hole(diameter,depth)
    for i=1,depth do
        for i=1,4 do
            for i=1,diameter do
            turtle.dig()
            turtle.forward()
            end
            turtle.turnLeft()
        end
        turtle.digDown()
        turtle.down()
    end
end