Minecraft move platform

-- Information --
-- de = Direction North determined by cable color --
-- de = Direction East determined by cable color --
-- ds = Direction South determined by cable color --
-- dw = Direction West determined by cable color --
-- dm = Default block movement --

dn = colors.lime
de = colors.purple
ds = colors.orange
dw = colors.lightBlue
rs = redstone
dm = 75

function moveNorth(nTimes)
    for i = 1, nTimes do
        rs.setBundledOutput("left", dn)
        sleep(0.7)
        rs.setBundledOutput("left", 0)
        sleep(0.7)
        rs.setBundledOutput("left", dn)
        sleep(0.7)
        rs.setBundledOutput("left", 0)
        sleep(0.7)
        print("Moved ", i, " out of ", nTimes, " blocks.")
    end
end

function moveEast(nTimes)
    for i = 1, nTimes do
        rs.setBundledOutput("left", de)
        sleep(0.7)
        rs.setBundledOutput("left", 0)
        sleep(0.7)
        rs.setBundledOutput("left", de)
        sleep(0.7)
        rs.setBundledOutput("left", 0)
        sleep(0.7)
        print("Moved ", i, " out of ", nTimes, " blocks.")
    end
end

function moveSouth(nTimes)
    for i = 1, nTimes do
        rs.setBundledOutput("left", ds)
        sleep(0.7)
        rs.setBundledOutput("left", 0)
        sleep(0.7)
        rs.setBundledOutput("left", ds)
        sleep(0.7)
        rs.setBundledOutput("left", 0)
        sleep(0.7)
        print("Moved ", i, " out of ", nTimes, " blocks.")
    end
end

function moveWest(nTimes)
    for i = 1, nTimes do
        rs.setBundledOutput("left", dw)
        sleep(0.7)
        rs.setBundledOutput("left", 0)
        sleep(0.7)
        rs.setBundledOutput("left", dw)
        sleep(0.7)
        rs.setBundledOutput("left", 0)
        sleep(0.7)
        print("Moved ", i, " out of ", nTimes, " blocks.")
    end
end

function movement()
    term.clear()
    while true do
        print("What direction do you want to move?")
        print("The platform will move ", dm, " blocks in that direction.")
        print("Use (n) for North")
        print("Use (e) for East")
        print("Use (s) for South")
        print("Use (w) for West")
        print("Use (q) to Exit")

        direction = io.read()
        if direction == "n" then
            moveNorth(dm)
        else
            if direction == "e" then
                moveEast(dm)
            else
                if direction == "s" then
                    moveSouth(dm)
                else
                    if direction == "w" then
                        moveWest(dm)
                    else
                        if direction == "q" then
                            break
                        else
                            print("Wrong choice")
                        end
                    end
                end
            end
        end
    end
end

movement()