Cool Slow Printing.py

import re, random, sys, time

text = "Hello, World!,  this message should be printed in a cool way xD"

def CS_Printing(text): #random, re, sys, time
	letters  = [chr(i) for  i in range(65, 91)] + [chr(i) for  i in range(97, 123)]
	core = lambda text:re.sub(random.sample(text, len(text))[0], random.choice(letters), text, count=1)
	res = [text]
	for i in range(len(text) + 5):
		for i in range(random.randint(1, 3)):
			text = core(text)
		res.append(text)
	for i in res[::-1]:
		sys.stdout.write("\r" + i)
		sys.stdout.flush()
		time.sleep(1/99)

CS_Printing(text)

time.sleep(10)