[PeterT]

The trick is simple....

Just wrap the script in a [code] ... [/code] block.

#!/usr/bin/env python
# vim:fileencoding=utf-8
from __future__ import unicode_literals, division, absolute_import, print_function
from calibre.web.feeds.news import BasicNewsRecipe

class AdvancedUserRecipe1421956712(BasicNewsRecipe):
    title          = 'TheAtlantic.com'
    oldest_article = 7
    max_articles_per_feed = 100
    auto_cleanup   = True
    ignore_duplicate_articles = {'title', 'url'} 
    
    def print_version(self, url):
        return url.replace('/archive/', '/print/')

    feeds          = [
        ('Politics', 'http://feeds.feedburner.com/AtlanticPoliticsChannel'),
        ('International', 'http://feeds.feedburner.com/AtlanticInternational'),
        ('National', 'http://feeds.feedburner.com/AtlanticNational'),
        ('Science and Tech', 'http://feeds.feedburner.com/AtlanticScienceAndTechnology'),
        ('Business', 'http://feeds.feedburner.com/AtlanticBusinessChannel'),
        ('Health', 'http://feeds.feedburner.com/AtlanticFood'),
        ('Education', 'http://feeds.feedburner.com/AtlanticEducationChannel'),
        ('Entertainment', 'http://feeds.feedburner.com/AtlanticCulture'),
        ('Sexes', 'http://feeds.feedburner.com/AtlanticSexesChannel'),
        ('The Atlantic', 'http://feeds.feedburner.com/TheAtlantic'),
        ('The Atlatic Wire', 'http://feeds.feedburner.com/TheAtlanticWire'),
    ]