harlembits.py

import time
import random

bitrow = ["0"]*43
bits = [bitrow[:] for __ in range(10)]
# ^ Using [:] for copying the list, otherwise each row would be refering to the same list

delay = 0.425 # <- in seconds

def bitsprint(bits):
    print "\n"*50
    for row in bits:
        print ''.join(row)

def randomize_bits(bits):
    for rowindex, row in enumerate(bits):
        for bitindex, __ in enumerate(row):
            bits[rowindex][bitindex] = random.choice(["0","1"])

for i in range(32):
    bits[4][22] = str(i%2)
    bitsprint(bits)
    time.sleep(delay)

for i in range(23):
    randomize_bits(bits)
    bitsprint(bits)
    time.sleep(delay)