244   list for the years.  For example for Google and Apple in years 2010

   244   list for the years.  For example for Google and Apple in years 2010

   245   (first line), 2011 (second line) and 2012 (third line) you obtain:

   245   (first line), 2011 (second line) and 2012 (third line) you obtain:

   246 

   246 

   247 \begin{verbatim}

   247 \begin{verbatim}

   248   List(List(Some(312.204773), Some(26.782711)), 

   248   List(List(Some(312.204773), Some(26.782711)), 

   250        List(Some(331.462585), Some(51.464207))))

   250        List(Some(331.462585), Some(51.464207))))

   251 \end{verbatim}\hfill[1 Mark]

   251 \end{verbatim}\hfill[1 Mark]

   252 

   252 

   253 

   253 

   254 %\end{itemize}

   254 %\end{itemize}