series.py semi-final pass
series.py semi-final pass

UWPCE-PythonCert/IntroPython2016,UWPCE-PythonCert/IntroPython2016,weidnem/IntroPython2016,weidnem/IntroPython2016,weidnem/IntroPython2016,UWPCE-PythonCert/IntroPython2016