Evolution of text

import string
import random


ALL_CHARS = string.ascii_letters + string.digits + string.punctuation

target = input('Enter your target text: ')

output_list = []
for _ in target:
    output_list.append(' ')

while True:
    random_str = ''.join(random.choice(ALL_CHARS) for _ in range(len(target)))
    
    for i in range(len(target)):
        if target[i] != output_list[i]:
            output_list[i] = random_str[i]
    
    output = ''.join(output_list)
    
    print(output)

    if output == target:
        break