import machine
import time
 
luz = machine.Pin(1, machine.Pin.OUT)
luz2 = machine.Pin(20, machine.Pin.OUT)
luz3 = machine.Pin(18, machine.Pin.OUT)
 
btn_1 = machine.Pin(21, machine.Pin.IN, machine.Pin.PULL_UP)
btn_2 = machine.Pin(22, machine.Pin.IN, machine.Pin.PULL_UP)
btn_3 = machine.Pin(23, machine.Pin.IN, machine.Pin.PULL_UP)
 
while True: 
    if btn_1.value() == 0:
        luz.value(1)   
    else: 
        luz.value(0)      
 
    if btn_2.value() == 0:
        luz2.value(1)   
    else: 
        luz2.value(0)   
 
    if btn_3.value() == 0:
        luz3.value(1)   
    else: 
        luz3.value(0)   
 
while True:
 
    """ luz.value(1)
    time.sleep(1)
 
    luz.value(0)
    time.sleep(1)
 
    luz2.value(1)
    time.sleep(1)
 
    luz2.value(0)
    time.sleep(1)
 
    luz3.value(1)
    time.sleep(1)
 
    luz3.value(0)
    time.sleep(1) """