def prev(current_Articel):
articles = getArticles()
older_articles = []
for article in articles:
if article.pubDate < current_Articel.pubDate:
older_articles.append(article)
if older_articles == []:
return False
#return False
else:
prev = older_articles[0]
for article in older_articles:
if article.pubDate > prev.pubDate:
prev = article
return prev
def next(current_Articel):
articles = getArticles()
newer_articles = []
for article in articles:
if article.pubDate > current_Articel.pubDate:
newer_articles.append(article)
if newer_articles == []:
return False
#return False
else:
next = newer_articles[0]
for article in newer_articles:
if article.pubDate < next.pubDate:
next = article
return next
