the all-thing | 2010-09-09 18:42:16 -0400 
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An awesome function
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  Date: August 20, 2008 12:12am
Author: William Morgan
Labels: proglang
   URL: http://all-thing.net/yesterdays_date.txt

As seen in a random Reddit comment [1] 
def yesterdays_date():
    yesterday = time.localtime()
    time.sleep(86400)
    return yesterday


[1] http://www.reddit.com/comments/6wx6a/ask_reddit_whats_the_funniest_code_youve_ever_read/c053daq:

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