import time
from machine import Pin 


pins = [Pin(i, Pin.OUT) for i in range(1, 11)]
a = 'a'
d = 'z'

bin1 = bin(ord(a))
bin2 = bin(ord(d))
distance = 0



for bit1, bit2 in zip(bin1, bin2):
    if bit1 != bit2:
        distance += 1

distance_bin = str(bin(distance)[2:])
print(distance_bin)
distance_bin = ''.join(reversed(distance_bin))
print(distance_bin)

for i in range(10):
    if i < len(distance_bin):
        print(distance_bin[i])
       
        if(int(distance_bin[i]) == 1):
            pins[i].on()