sublist: New code example
sublist: New code example

This new implementation is much faster and cleaner. It does not
need to handle exceptions and it does not need to allocate nor zip
sublists at any point.

orozcoadrian/xpython,exercism/xpython,jmluy/xpython,exercism/xpython,Peque/xpython,outkaj/xpython,smalley/python,Peque/xpython,N-Parsons/exercism-python,de2Zotjes/xpython,de2Zotjes/xpython,exercism/python,oalbe/xpython,smalley/python,outkaj/xpython,wobh/xpython,oalbe/xpython,rootulp/xpython,exercism/python,behrtam/xpython,pheanex/xpython,orozcoadrian/xpython,rootulp/xpython,behrtam/xpython,wobh/xpython,pheanex/xpython,jmluy/xpython,N-Parsons/exercism-python,mweb/python,mweb/python