from machine import Pin
from utime import sleep_ms,ticks_ms

led1=Pin(25,Pin.OUT)
led2=Pin(26,Pin.OUT)
led3=Pin(32,Pin.OUT)
led4=Pin(33,Pin.OUT)

button_pin12=Pin(12,Pin.IN,Pin.PULL_UP)
button_pin13=Pin(13,Pin.IN,Pin.PULL_UP)
button_pin14=Pin(14,Pin.IN,Pin.PULL_UP)
button_pin15=Pin(15,Pin.IN,Pin.PULL_UP)

while True:
    button_value1=button_pin12.value()
    button_value2=button_pin13.value()
    button_value3=button_pin14.value()
    button_value4=button_pin15.value()

    if button_value1==0:
        led1.on()
        print("First Button Value=",button_value1,ticks_ms)
        sleep_ms(600)
    elif button_value2==0:
        led2.on()
        print("Second Button Value=",button_value2,ticks_ms)
        sleep_ms(600)
    elif button_value3==0:
        led3.on()
        print("Third Button Value=",button_value3,ticks_ms)
        sleep_ms(600)
    elif button_value4==0:
        led4.on()
        print("Fourth Button Value=",button_value4,ticks_ms)
        sleep_ms(600)
    else:
        led1.off()
        led2.off()
        led3.off()
        led4.off()
        print("No Buttons Pressed")
        sleep_ms(600)