The Deeper Zen of Python

#!/usr/bin/env python
from __future__ import print_function

from this import s, d
from random import shuffle

assert('I kid, because I love.' != False)

print("\nAnd now for something completely different\n")

txt = ''
for char in s:
    char = d.get(char, char)
    txt += char

txt = txt.split()
shuffle(txt)

current_line = '  '
for word in txt:
    if len(current_line) + len(word) > 78:
        print(current_line)
        current_line = word
    else:
        current_line += ' ' + word