http://code.activestate.com/recipes/tags/grouping-datastructures/2016-07-23T22:17:29-07:00ActiveState Code Recipes2016-07-23T22:17:29-07:00Vasudev Ramhttp://code.activestate.com/recipes/users/4173351/http://code.activestate.com/recipes/580692-create-pdf-control-break-reports-with-itertoolsgro/

<p style="color: grey"> Python recipe 580692 by <a href="/recipes/users/4173351/">Vasudev Ram</a> (<a href="/recipes/tags/control/">control</a>, <a href="/recipes/tags/database/">database</a>, <a href="/recipes/tags/grouping/">grouping</a>, <a href="/recipes/tags/iterators/">iterators</a>, <a href="/recipes/tags/pdf/">pdf</a>, <a href="/recipes/tags/pdfwriter/">pdfwriter</a>, <a href="/recipes/tags/pdf_generation/">pdf_generation</a>, <a href="/recipes/tags/python/">python</a>, <a href="/recipes/tags/reportgeneration/">reportgeneration</a>, <a href="/recipes/tags/reporting/">reporting</a>, <a href="/recipes/tags/sql/">sql</a>, <a href="/recipes/tags/xtopdf/">xtopdf</a>). </p> <p>This recipe shows how to create the classic control break style of report (a staple of data processing) using Python along with the groupby function from the itertools module, and xtopdf, a Python toolkit for PDF creation.</p>

2010-12-21T16:28:20-08:00Michael Pucketthttp://code.activestate.com/recipes/users/4176295/http://code.activestate.com/recipes/577510-sublists/

<p style="color: grey"> Python recipe 577510 by <a href="/recipes/users/4176295/">Michael Puckett</a> (<a href="/recipes/tags/grouping/">grouping</a>, <a href="/recipes/tags/list/">list</a>, <a href="/recipes/tags/sublist/">sublist</a>). </p> <p>The opposite of list flattening. </p> <p>Given a list and a length n return a list of sub lists of length n.</p>