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One-line Tree in Python

Using Python's built-in defaultdict we can easily define a tree data structure:

def tree(): return defaultdict(tree)

That's it!

/**
* Copyright 2012 Akseli Palén.
* Created 2012-07-15.
* Licensed under the MIT license.
*
* <license>
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
# wordpress over fastcgi
server {
listen 81;
server_name _;
root /mnt/apps/airpair-blog/current;
index index.html index.php /index.php;
# restricting all dot files
location ~ /\. { return 403; }