+*** Chris - what are we adding here that wasn't in basic lessons.
+We don't want to do plot nine - instead change it to matplotlib, using the new waves data set consitent with the rest of the course
+no repeats - we've already covered a lot in the first course.
+
+**** What do we want in here??
+e.g. could do a 'rose' diagram or polor plot to show directional spread
+https://jwalton.info/Matplotlib-rose-plots/
+*** Chris - what are we adding here that wasn't in basic lessons.
+We don't want to do plot nine - instead change it to matplotlib, using the new waves data set consitent with the rest of the course
+no repeats - we've already covered a lot in the first course.
+
+**** What do we want in here??
+e.g. could do a 'rose' diagram or polor plot to show directional spread
+https://jwalton.info/Matplotlib-rose-plots/