import machine
import utime
from machine import Pin

led_bar_pins=[0,1,2,3,4,5,6,7,8,9]

LED_BAR_PINS =[Pin(pin,Pin.OUT) for pin in led_bar_pins]

def hamming_distance(char1,char2):
    return bin(ord(char1) ^ ord(char2)).count('1')


def vis_hamming_dist(str1,str2):
    for i in  range(min(len(str1),len(str2))):
        distance=hamming_distance(str1[i],str2[i])
        print(distance)

        for j,pin in enumerate(LED_BAR_PINS):
            if (j<distance):
                pin.value(1)
        utime.sleep(1)
        for j,pin in enumerate(LED_BAR_PINS):
            pin.value(0)
        utime.sleep(1)

string1="tuytttyt iut iu"
string2="boihoihbn iihiu"

vis_hamming_dist(string1,string2)