diff options
Diffstat (limited to 'writing_python_scripts/slides.tex')
| -rw-r--r-- | writing_python_scripts/slides.tex | 165 |
1 files changed, 131 insertions, 34 deletions
diff --git a/writing_python_scripts/slides.tex b/writing_python_scripts/slides.tex index b1b2eda..a68798e 100644 --- a/writing_python_scripts/slides.tex +++ b/writing_python_scripts/slides.tex @@ -1,4 +1,4 @@ -% Created 2010-10-10 Sun 23:53 +% Created 2011-07-14 Thu 16:14 \documentclass[presentation]{beamer} \usepackage[latin1]{inputenc} \usepackage[T1]{fontenc} @@ -23,14 +23,13 @@ commentstyle=\color{red}\itshape, stringstyle=\color{darkgreen}, showstringspaces=false, keywordstyle=\color{blue}\bfseries} \providecommand{\alert}[1]{\textbf{#1}} -\title{Sets} +\title{} \author{FOSSEE} \date{} \usetheme{Warsaw}\usecolortheme{default}\useoutertheme{infolines}\setbeamercovered{transparent} \begin{document} -\maketitle @@ -40,65 +39,163 @@ showstringspaces=false, keywordstyle=\color{blue}\bfseries} + +\begin{frame} + +\begin{center} +\vspace{12pt} +\textcolor{blue}{\huge Writing python scripts} +\end{center} +\vspace{18pt} +\begin{center} +\vspace{10pt} +\includegraphics[scale=0.95]{../images/fossee-logo.png}\\ +\vspace{5pt} +\scriptsize Developed by FOSSEE Team, IIT-Bombay. \\ +\scriptsize Funded by National Mission on Education through ICT\\ +\scriptsize MHRD,Govt. of India\\ +\includegraphics[scale=0.30]{../images/iitb-logo.png}\\ +\end{center} +\end{frame} \begin{frame} -\frametitle{Outline} -\label{sec-1} +\frametitle{Objectives} +\label{sec-2} + +At the end of this tutorial, you will be able to, + \begin{itemize} -\item Defining Sets -\item Operations on sets +\item Understand what is importing. +\item Write your own Python modules. +\item Understand the \_\_name\_\_==``\_\_main\_\_'' idiom \end{itemize} \end{frame} \begin{frame} -\frametitle{Question 1} -\label{sec-2} +\frametitle{Pre-requisite} +\label{sec-3} - Given a list of marks, \texttt{marks = [20, 23, 22, 23, 20, 21, 23]} list - all the duplicates +Spoken tutorial on - + +\begin{itemize} +\item Using Python modules +\end{itemize} \end{frame} \begin{frame}[fragile] -\frametitle{Solution 1} -\label{sec-3} +\frametitle{GCD} +\label{sec-4} \lstset{language=Python} \begin{lstlisting} -marks = [20, 23, 22, 23, 20, 21, 23] -marks_set = set(marks) -for mark in marks_set: - marks.remove(mark) +def gcd(a, b): -# we are now left with only duplicates in the list marks -duplicates = set(marks) + while b: + a, b = b, a%b + + return a + if gcd(40, 12) == 4: + print "Everything OK" + else: + print "The GCD function is wrong" +\end{lstlisting} +\end{frame} +\begin{frame}[fragile] +\frametitle{\_\_name\_\_ variable} +\label{sec-5} + +\lstset{language=Python} +\begin{lstlisting} +if __name__ == "__main__": \end{lstlisting} \end{frame} \begin{frame} \frametitle{Summary} -\label{sec-4} +\label{sec-6} + +In this tutorial, we have learnt to, + - You should now be able to -- \begin{itemize} -\item make sets from lists -\item input sets directly -\item perform operations like union, intersection, symmetric difference -\item check if a subset of another -\item check containership, length and other properties similar to lists +\item Know what happens when we import a module. +\item Use a script as a module. +\item Write test functions using the ``\_\_name\_\_'' idiom. \end{itemize} \end{frame} \begin{frame} -\frametitle{Thank you!} -\label{sec-5} +\frametitle{Evaluation} +\label{sec-7} + + +\begin{enumerate} +\item Which of the following variables contains the locations to search for + python modules +\begin{itemize} +\item sys.pythonpath +\item sys.path +\item os.pythonpath +\item os.path +\end{itemize} +\vspace{8pt} +\item A module should contain only functions. +\begin{itemize} +\item True +\item False +\end{itemize} +\end{enumerate} +\end{frame} +\begin{frame}[fragile] +\frametitle{Evaluation contd..} +\label{sec-8} + + +\begin{itemize} +\item The script ``utils.py'' is in one of locations of PYTHONPATH and contains + the following code +\lstset{language=Python} +\begin{lstlisting} +def show(x): + print x + +show("Hello World") + +if __name__ == "__main__": + + show("Hello Test") +\end{lstlisting} + How do you use the ``show'' function after doing ``import utils'' +\begin{itemize} +\item utils.show(``hey'') +\item show(``hey'') +\item utils.py.show(``hey'') +\item utils.py.show.py(``hey'') +\end{itemize} +\end{itemize} +\end{frame} +\begin{frame} +\frametitle{Solutions} +\label{sec-9} + + +\begin{enumerate} +\item sys.path +\vspace{12pt} +\item False +\vspace{12pt} +\item utils.show(``hey'') +\end{enumerate} +\end{frame} +\begin{frame} \begin{block}{} \begin{center} - This spoken tutorial has been produced by the - \textcolor{blue}{FOSSEE} team, which is funded by the + \textcolor{blue}{\Large THANK YOU!} \end{center} + \end{block} +\begin{block}{} \begin{center} - \textcolor{blue}{National Mission on Education through \\ - Information \& Communication Technology \\ - MHRD, Govt. of India}. + For more Information, visit our website\\ + \url{http://fossee.in/} \end{center} \end{block} \end{frame} -\end{document} +\end{document}
\ No newline at end of file |