To use:

import led 

Module led

# Turn an LED connected to digital pin number *pin* on
def on(pin)

# Turn an LED connected to digital pin number *pin* off
def off(pin)

led.on

# led.on
def on(
    pin
)

Turn an LED connected to digital pin number pin on

led.off

# led.off
def off(
    pin
)

Turn an LED connected to digital pin number pin off