from machine import Pin
from time import sleep #delay for second
from time import sleep_ms #delay for milisecond

# Pins comfiguration setup
LED = Pin(17, Pin.OUT) #LED pin 17 as OUTPUT
SW = Pin(16, Pin.IN, Pin.PULL_DOWN) #Switch pin 16 as INPUT and INPUT PULL_DOWN connection

# Initial state
LED.off() #OFF LED for initial

# Loop

while True:
    sleep_ms(10) #short delay

    #Switch is pressed
    while SW.value()==1: #Checked switch condition INPUT PULL_DOWN type
        LED.on() #LED ON if switch is pressed
        print("LED ON, SWITCH IS PRESSED") #Print on serial monitor
        sleep(1) #Take 1 second sleep

    #Switch not pressed
    LED.off() #LED OFF if switch is not pressed
    print("LED OFF, PRESS SWITCH TO TURN ON LED") #Print on serial monitor
    sleep_ms(10) #short delay