Popular recipes by N N http://code.activestate.com/recipes/users/1639254/2011-02-07T15:38:09-08:00ActiveState Code RecipesAggregates using groupby, defaultdict and Counter (Python) 2011-02-07T15:38:09-08:00N Nhttp://code.activestate.com/recipes/users/1639254/http://code.activestate.com/recipes/577535-aggregates-using-groupby-defaultdict-and-counter/ <p style="color: grey"> Python recipe 577535 by <a href="/recipes/users/1639254/">N N</a> (<a href="/recipes/tags/algorithms/">algorithms</a>). Revision 2. </p> <p>How to emulate SQL aggregate functions AVG, COUNT, MAX, MIN and SUM on csv type data files using tools from the standard library.</p> Very Simple Delimiter Separated Values File Reader Generator (Python) 2007-12-17T20:59:24-08:00N Nhttp://code.activestate.com/recipes/users/1639254/http://code.activestate.com/recipes/535172-very-simple-delimiter-separated-values-file-reader/ <p style="color: grey"> Python recipe 535172 by <a href="/recipes/users/1639254/">N N</a> (<a href="/recipes/tags/files/">files</a>). </p> <p>This is a bare-bones reader generator for file processing of typical Unix style configuration and data files.</p> return element of list if it exists (Python) 2004-02-16T14:29:46-08:00N Nhttp://code.activestate.com/recipes/users/1639254/http://code.activestate.com/recipes/269484-return-element-of-list-if-it-exists/ <p style="color: grey"> Python recipe 269484 by <a href="/recipes/users/1639254/">N N</a> (<a href="/recipes/tags/shortcuts/">shortcuts</a>). </p> <p>'.get()' functionality of mappings for sequences</p>