\begin{frame}{Mailing list and Office Hours}

{\Large We've set up a google group\\

-- you will all be invited to join.}

\url{programming-in-python@googlegroups.com}

{\Large ``Office Hours'' \\

-- Useful? Will you come?}

\end{frame}

\begin{frame}[fragile]{Functions}

{\Large What is a function?}

{\large A function is a self-contained chunk of code}

{\large You use them when you need the same code to run multiple times,

or in multiple parts of the program.}

\hspace{1in}{\Large (DRY) }

{\large Or just to keep the code clean}

{\large Functions can take and return information}

\end{frame}

{\Large Minimal Function does nothing}