import time
from machine import Pin
led = [Pin(i,Pin.OUT) for i in range(0,5)]
for i in range(0,32):
    b = bin(i)[2:]
    temp = (5-len(b))*'0' + b
    print(i,"=", temp, "in binary")
    for j in range(len(temp)):
        if temp[j] == '1':
            led[-j-1].toggle()
    time.sleep(1)
    for k in led:
        k.off()