Robot-simulator: add topics #818
Robot-simulator: add topics #818

behrtam/xpython,jmluy/xpython,exercism/xpython,N-Parsons/exercism-python,pheanex/xpython,behrtam/xpython,jmluy/xpython,exercism/python,smalley/python,exercism/xpython,mweb/python,pheanex/xpython,N-Parsons/exercism-python,mweb/python,smalley/python,exercism/python