crack.py

import string
import random
import time

chars = string.digits + string.ascii_letters + string.punctuation + ' '
iterations_per_character_revealed = 2
update_delay = 0.05

choices = ['Edmond To', 'Tu Yong Tan', 'Clement Chua', 'Wei Quan Ng']

max_length = max(len(c) for c in choices)
choice = random.choice(choices).ljust(max_length)
reveal_order = list(x for x in range(max_length) if choice[x] != ' ')
random.shuffle(reveal_order)

for i in range(iterations_per_character_revealed * len(reveal_order)):
    chrs = [' ' if choice[x] == ' ' else random.choice(chars) for x in range(max_length)]
    revealed = i // iterations_per_character_revealed
    for j in range(revealed):
        chrs[reveal_order[j]] = choice[reveal_order[j]]
    time.sleep(update_delay)
    print('\r' + ''.join(chrs), end='')

print('\r' + choice)