from machine import Pin
from time import sleep 
button1=Pin(1,Pin.IN,Pin.PULL_UP)
button2=Pin(3,Pin.IN,Pin.PULL_UP)
LED1=Pin(2,Pin.OUT)
LED2=Pin(4,Pin.OUT)
while True:
    a=button1.value()
    b=button2.value() 
   
    if(a==0):
        LED1.value(1)
        sleep(1)
        LED1.value(0)
        sleep(1)
    
    if(b==0):
        LED2.value(1)
        sleep(1)
        LED2.value(0)
        sleep(1)