Circuit Python Digital IO M4

"""CircuitPython Essentials Digital In Out example"""
import time
import board
from digitalio import DigitalInOut, Direction, Pull

# LED setup.
led = DigitalInOut(board.LED)
led.direction = Direction.OUTPUT
switch = DigitalInOut(board.D5) # For Feather M0 Express, Feather M4 Express
switch.direction = Direction.INPUT
switch.pull = Pull.UP

while True:
    # We could also do "led.value = not switch.value"!
    if switch.value:
        led.value = False
    else:
        led.value = True
    time.sleep(0.01) # debounce delay