import board
import digitalio
import time

# LED Output on GP0
led = digitalio.DigitalInOut(board.GP0)
led.direction = digitalio.Direction.OUTPUT

# SW1 Input on GP15 (Pull-Down: Detects HIGH when pressed)
sw1 = digitalio.DigitalInOut(board.GP20)
sw1.direction = digitalio.Direction.INPUT
sw1.pull = digitalio.Pull.DOWN  # Enable internal pull-down resistor

# SW2 Input on GP2 (Pull-Down: Detects HIGH when pressed)
sw2 = digitalio.DigitalInOut(board.GP16)
sw2.direction = digitalio.Direction.INPUT
sw2.pull = digitalio.Pull.DOWN  # Enable internal pull-down resistor

# --- Main Logic Loop ---
while True:

    if sw1.value:              # Button SW1 pressed (Logic HIGH)
        led.value = True       # LED will ON
        print("Status: LED ON")

    elif sw2.value:            # Button SW2 pressed (Logic HIGH)
        led.value = False      # LED will OFF
        print("Status: LED OFF")

    # Software Debounce Delay
    # Prevents 'contact bounce' where one press looks like multiple triggers
    # A 50ms delay ensures the microcontroller ignores these micro-fluctuations
    time.sleep(0.05)