1 % Created 2010-11-10 Wed 10:46

     2 \documentclass[presentation]{beamer}

     3 \usepackage[latin1]{inputenc}

     4 \usepackage[T1]{fontenc}

     5 \usepackage{fixltx2e}

     6 \usepackage{graphicx}

     7 \usepackage{longtable}

     8 \usepackage{float}

     9 \usepackage{wrapfig}

    10 \usepackage{soul}

    11 \usepackage{textcomp}

    12 \usepackage{marvosym}

    13 \usepackage{wasysym}

    14 \usepackage{latexsym}

    15 \usepackage{amssymb}

    16 \usepackage{hyperref}

    17 \tolerance=1000

    18 \usepackage[english]{babel} \usepackage{ae,aecompl}

    19 \usepackage{mathpazo,courier,euler} \usepackage[scaled=.95]{helvet}

    20 \usepackage{listings}

    21 \lstset{language=Python, basicstyle=\ttfamily\bfseries,

    22 commentstyle=\color{red}\itshape, stringstyle=\color{darkgreen},

    23 showstringspaces=false, keywordstyle=\color{blue}\bfseries}

    24 \providecommand{\alert}[1]{\textbf{#1}}

    25 

    26 \title{}

    27 \author{FOSSEE}

    28 \date{}

    29 

    30 \usetheme{Warsaw}\usecolortheme{default}\useoutertheme{infolines}\setbeamercovered{transparent}

    31 \begin{document}

    32 

    33 

    34 

    35 

    36 

    37 

    38 

    39 

    40 

    41 

    42 

    43 \begin{frame}

    44 \frametitle{Outline}

    45 \label{sec-1}

    46 \begin{itemize}

    47 

    48 \item Defining strings\\

    49 \label{sec-1_1}%

    50 \item Concatenation\\

    51 \label{sec-1_2}%

    52 \item Accessing individual elements\\

    53 \label{sec-1_3}%

    54 \item Immutability of strings\\

    55 \label{sec-1_4}%

    56 \end{itemize} % ends low level

    57 \end{frame}

    58 \begin{frame}

    59 \frametitle{Question 1}

    60 \label{sec-2}

    61 

    62   Obtain the string \texttt{\%\% -------------------- \%\%} (20 hyphens) without

    63   typing out all the twenty hyphens.

    64 \end{frame}

    65 \begin{frame}[fragile]

    66 \frametitle{Solution 1}

    67 \label{sec-3}

    68 

    69 \lstset{language=Python}

    70 \begin{lstlisting}

    71 s = "%% " + "-"*20 + " %%"

    72 \end{lstlisting}

    73 \end{frame}

    74 \begin{frame}[fragile]

    75 \frametitle{Question 2}

    76 \label{sec-4}

    77 

    78   Given a string, \texttt{s} which is \texttt{Hello World} , what is the output of::

    79 \lstset{language=Python}

    80 \begin{lstlisting}

    81 s[-5] 

    82 s[-10]

    83 s[-15]

    84 \end{lstlisting}

    85 \end{frame}

    86 \begin{frame}[fragile]

    87 \frametitle{Solution 2}

    88 \label{sec-5}

    89 

    90 \lstset{language=Python}

    91 \begin{lstlisting}

    92 'W'

    93 'e'

    94 IndexError

    95 \end{lstlisting}

    96 \end{frame}

    97 \begin{frame}

    98 \frametitle{Summary}

    99 \label{sec-6}

   100 

   101   In this tutorial we have learnt

   102 \begin{itemize}

   103 \item How to define strings

   104 \item Different ways of defining a string

   105 \item String concatenation and repetition

   106 \item Accessing individual elements of the string

   107 \item Immutability of strings

   108 \end{itemize}

   109 

   110   

   111 \end{frame}

   112 \begin{frame}

   113 \frametitle{Thank you!}

   114 \label{sec-7}

   115 

   116   \begin{block}{}

   117   \begin{center}

   118   This spoken tutorial has been produced by the

   119   \textcolor{blue}{FOSSEE} team, which is funded by the 

   120   \end{center}

   121   \begin{center}

   122     \textcolor{blue}{National Mission on Education through \\

   123       Information \& Communication Technology \\ 

   124       MHRD, Govt. of India}.

   125   \end{center}  

   126   \end{block}

   127 \end{frame}

   128 

   129 \end{document}