%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Tutorial slides on Python. % % Author: FOSSEE % Copyright (c) 2005-2009, FOSSEE Team %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \documentclass[14pt,compress]{beamer} \mode { \useoutertheme{split} \setbeamercovered{transparent} } \definecolor{darkgreen}{rgb}{0,0.5,0} \usepackage{listings} \lstset{language=Python, basicstyle=\ttfamily\bfseries, commentstyle=\color{red}\itshape, stringstyle=\color{darkgreen}, showstringspaces=false, keywordstyle=\color{blue}\bfseries} \newcommand{\kwrd}[1]{ \texttt{\textbf{\color{blue}{#1}}} } %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Macros \newcounter{qno} \setcounter{qno}{0} \newcommand{\incqno}{\addtocounter{qno}{1}{Question \theqno}} %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Title page \title[Basic Python]{Python: Quiz} \author[FOSSEE Team] {FOSSEE} \institute[IIT Bombay] {Department of Aerospace Engineering\\IIT Bombay} \date[] {11, October 2009\\Day 2} %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \begin{document} \begin{frame} \titlepage \end{frame} \begin{frame} \frametitle{Write your details...} On the top right hand corner please write down the following: \begin{itemize} \item Name: \item Affliation: \item Occupation: \end{itemize} \end{frame} \begin{frame}[fragile] \frametitle{\incqno } \begin{lstlisting} >>> x = array([[1,2,3,4],[3,4,2,5]]) >>> x.shape (2, 4) \end{lstlisting} Change the shape of \lstinline+x+ to (4,2) \end{frame} \begin{frame}[fragile] \frametitle{\incqno } \begin{lstlisting} >>> x = array([[1,2,3,4]]) \end{lstlisting} How to change the third element of \lstinline+x+ to 0? \end{frame} \begin{frame}[fragile] \frametitle{\incqno } What would be the result? \begin{lstlisting} >>> y = arange(3) >>> x = linspace(0,3,3) >>> x-y \end{lstlisting} \end{frame} \begin{frame}[fragile] \frametitle{\incqno } \begin{lstlisting} >>> x = array([0, 1, 2, 3]) >>> x.shape = 2,2 >>> x array([[0, 1], [2, 3]]) >>> x[::2,::2] \end{lstlisting} What is the output? \end{frame} \begin{frame}[fragile] \frametitle{\incqno } What would be the result? \begin{lstlisting} >>> x array([[0, 1, 2], [3, 4, 5], [6, 7, 8]]) >>> x[::-1,:] \end{lstlisting} Hint: \begin{lstlisting} >>> x = arange(9) >>> x[::-1] array([8, 7, 6, 5, 4, 3, 2, 1, 0]) \end{lstlisting} \end{frame} \begin{frame}[fragile] \frametitle{\incqno } \begin{lstlisting} >>> x array([[ 0, 1, 2, 3], [ 4, 5, 6, 7], [ 8, 9, 10, 11], [12, 13, 14, 15]]) \end{lstlisting} How will you get the following \lstinline+x+? \begin{lstlisting} array([[ 5, 7], [ 9, 11]]) \end{lstlisting} \end{frame} \begin{frame}[fragile] \frametitle{\incqno } \begin{lstlisting} >>> x = array(([1,2,3,4],[2,3,4,5])) >>> x[-2][-3] = 4 >>> x \end{lstlisting} What will be printed? \end{frame} \begin{frame}[fragile] \frametitle{\incqno } What would be the output? \begin{lstlisting} >>> y = arange(4) >>> x = array(([1,2,3,2],[1,3,6,0])) >>> x + y \end{lstlisting} \end{frame} \begin{frame}[fragile] \frametitle{\incqno } \begin{lstlisting} >>> line = plot(x, sin(x)) \end{lstlisting} Use the \lstinline+set_linewidth+ method to set width of \lstinline+line+ to 2. \end{frame} \begin{frame}[fragile] \frametitle{\incqno } What would be the output? \begin{lstlisting} >>> x = arange(9) >>> y = arange(9.) >>> x == y \end{lstlisting} \end{frame} \end{document}