from machine import Pin
import time
import random
#salidas Leds
Led1 = Pin(19, Pin.OUT)    # create output pin on GPIO0
Led2 = Pin(18, Pin.OUT) 
Led3 = Pin(5, Pin.OUT) 
Led4 = Pin(17, Pin.OUT)
Leds=[Led1,Led2,Led3,Led4]
def conversion(binario):
    return int(binario[0])*(2**3)+int(binario[1])*(2**2)+int(binario[2])*(2**1)+int(binario[3])*(2**0)

while True:
    numero=input("Ingrese el # binario: ")
    print("La conversion es: ", conversion(numero))
    cont=0
    for Led in Leds:
        if numero[cont]=="1": Led.on()
        else: Led.off()
        cont+=1