% Created 2010-10-10 Sun 21:00

\documentclass[presentation]{beamer}

\usepackage[latin1]{inputenc}

\usepackage[T1]{fontenc}

\usepackage{fixltx2e}

\usepackage{graphicx}

\usepackage{longtable}

\usepackage{float}

\usepackage{wrapfig}

\usepackage{soul}

\usepackage{textcomp}

\usepackage{marvosym}

\usepackage{wasysym}

\usepackage{latexsym}

\usepackage{amssymb}

\usepackage{hyperref}

\tolerance=1000

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

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

\usepackage{listings}

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

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

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

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

\title{I/O}

\author{FOSSEE}

\date{}

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

\begin{document}

\maketitle

\begin{frame}

\frametitle{Outline}

\label{sec-1}

\begin{itemize}

\item Showing output to the user.

\item Taking input from the user.

\end{itemize}

\end{frame}

\begin{frame}

\frametitle{Question 1}

\label{sec-2}

  What happens when you do \texttt{print "x is \%d y is \%f" \%(x, y)}

\end{frame}

\begin{frame}

\frametitle{Solution 1}

\label{sec-3}

  \texttt{int} value of \texttt{x} and \texttt{float} value of \texttt{y} are printed corresponding to the

  modifiers used in the \texttt{print} statement

\end{frame}

\begin{frame}

\frametitle{Question 2}

\label{sec-4}

  Enter the number 5.6 as input and store it in a variable called

  \texttt{c}. 

\end{frame}

\begin{frame}[fragile]

\frametitle{Solution 2}

\label{sec-5}

\lstset{language=Python}

\begin{lstlisting}

In []: c = raw_input() 

5.6

In []: c

\end{lstlisting}

\end{frame}

\begin{frame}

\frametitle{Question 3}

\label{sec-6}

  What happens when you do not enter anything and hit enter

\end{frame}

\begin{frame}[fragile]

\frametitle{Solution 3}

\label{sec-7}

\lstset{language=Python}

\begin{lstlisting}

In []: c = raw_input() 

<RET>

In []: c

\end{lstlisting}

\end{frame}

\begin{frame}

\frametitle{Question 4}

\label{sec-8}

  How do you display a prompt and let the user enter input in a new line

\end{frame}

\begin{frame}[fragile]

\frametitle{Solution 4}

\label{sec-9}

\lstset{language=Python}

\begin{lstlisting}

In []: ip = raw_input("Please enter a number in the next line\n> ")

\end{lstlisting}

\end{frame}

\begin{frame}

\frametitle{Summary}

\label{sec-10}

  You should now be able to --

\begin{itemize}

\item Print a value ``as is''

\item Print a value using using modifiers

\item Accept input from user

\item Display a prompt before accepting input

\end{itemize}

\end{frame}

\begin{frame}

\frametitle{Thank you!}

\label{sec-11}

  \begin{block}{}

  \begin{center}

  This spoken tutorial has been produced by the

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

  \end{center}

  \begin{center}

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

      Information \& Communication Technology \\ 

      MHRD, Govt. of India}.

  \end{center}  

  \end{block}

\end{frame}

\end{document}