% Created 2011-06-21 Tue 12:19 \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{} \author{FOSSEE} \date{} \usetheme{Warsaw}\usecolortheme{default}\useoutertheme{infolines}\setbeamercovered{transparent} \begin{document} \begin{frame} \begin{center} \vspace{12pt} \textcolor{blue}{\huge Input/Output} \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{Objectives} \label{sec-2} At the end of this tutorial,you will be able to, \begin{itemize} \item Print some value. \item Print using modifiers. \item Take input from user. \item Display a prompt to the user before taking the input. \end{itemize} \end{frame} \begin{frame} \frametitle{Exercise 1} \label{sec-3} \begin{itemize} \item What happens when you do\\ \verb~print ``x is \%d, y is \%f'' \%(x, y)~ \end{itemize} \end{frame} \begin{frame} \frametitle{Exercise 2} \label{sec-4} \begin{itemize} \item Enter the number 5.6 as input and store it in a variable called \verb~c~. \end{itemize} \end{frame} \begin{frame} \frametitle{Exercise 3} \label{sec-5} \begin{itemize} \item What happens when you do not enter anything and hit enter. \end{itemize} \end{frame} \begin{frame} \frametitle{Exercise 4} \label{sec-6} \begin{itemize} \item How do you display a prompt and let the user enter input in a new line. \end{itemize} \end{frame} \begin{frame} \frametitle{Summary} \label{sec-7} In this tutorial, we have learnt to, \begin{itemize} \item Use the print statement. \item Use the modifiers \%d, \%f, \%s in the print statement. \item Take input from user by using ``raw\_input()''. \item Display a prompt to the user before taking the input by passing a string as an argument to ``raw\_input''. \end{itemize} \end{frame} \begin{frame} \frametitle{Evaluation} \label{sec-8} \begin{enumerate} \item ``a = raw\_input()'' and user enters ``2.5''.\\ What is the type of a? \begin{itemize} \item str \item int \item float \item char \end{itemize} \vspace{5pt} \item ``a = 2'' and ``b = 4.5''. What is the result of the following action.\\ \verb~print ``a is \%d and b is \%2.1f'' \%(b,a)~ \begin{itemize} \item a is 2 and b is 4.5 \item a is 4 and b is 2 \item a is 4 and b is 2.0 \item a is 4.5 and b is 2 \end{itemize} \end{enumerate} \end{frame} \begin{frame} \frametitle{Solutions} \label{sec-9} \begin{enumerate} \item str \vspace{12pt} \item a is 4 and b is 2.0 \end{enumerate} \end{frame} \begin{frame} \begin{block}{} \begin{center} \textcolor{blue}{\Large THANK YOU!} \end{center} \end{block} \begin{block}{} \begin{center} For more Information, visit our website\\ \url{http://fossee.in/} \end{center} \end{block} \end{frame} \end{document}