# HG changeset patch # User Puneeth Chaganti # Date 1286738976 -19800 # Node ID 89437325b326cacc55965ebf0090e4f91cf93274 # Parent 146a6bf5c30bc5deca8c304c520c91461729f14b Slides for I/O LO. diff -r 146a6bf5c30b -r 89437325b326 input_output/script.rst --- a/input_output/script.rst Mon Oct 11 00:58:58 2010 +0530 +++ b/input_output/script.rst Mon Oct 11 00:59:36 2010 +0530 @@ -6,6 +6,12 @@ C - D - +.. #. How to print some value +.. #. How to print using modifiers +.. #. How to take input from user +.. #. How to display a prompt to the user before taking the input + + .. Prerequisites .. ------------- @@ -73,7 +79,7 @@ {{{ Pause here and try out the following exercises }}} -%% 1 %% What happens when you do print "x is %d y is %f"%(x) +%% 1 %% What happens when you do ``print "x is %d y is %f" %(x, y)`` {{{ continue from paused state }}} @@ -172,6 +178,9 @@ {{{ continue from paused state }}} +.. #[Puneeth: We didn't talk of new-line character till now, did we?] +.. #[Puneeth: non-programmers might not know?] + The trick is to include a newline character at the end of the prompt string. :: diff -r 146a6bf5c30b -r 89437325b326 input_output/slides.org --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/input_output/slides.org Mon Oct 11 00:59:36 2010 +0530 @@ -0,0 +1,84 @@ +#+LaTeX_CLASS: beamer +#+LaTeX_CLASS_OPTIONS: [presentation] +#+BEAMER_FRAME_LEVEL: 1 + +#+BEAMER_HEADER_EXTRA: \usetheme{Warsaw}\usecolortheme{default}\useoutertheme{infolines}\setbeamercovered{transparent} +#+COLUMNS: %45ITEM %10BEAMER_env(Env) %10BEAMER_envargs(Env Args) %4BEAMER_col(Col) %8BEAMER_extra(Extra) +#+PROPERTY: BEAMER_col_ALL 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 :ETC + +#+LaTeX_CLASS: beamer +#+LaTeX_CLASS_OPTIONS: [presentation] + +#+LaTeX_HEADER: \usepackage[english]{babel} \usepackage{ae,aecompl} +#+LaTeX_HEADER: \usepackage{mathpazo,courier,euler} \usepackage[scaled=.95]{helvet} + +#+LaTeX_HEADER: \usepackage{listings} + +#+LaTeX_HEADER:\lstset{language=Python, basicstyle=\ttfamily\bfseries, +#+LaTeX_HEADER: commentstyle=\color{red}\itshape, stringstyle=\color{darkgreen}, +#+LaTeX_HEADER: showstringspaces=false, keywordstyle=\color{blue}\bfseries} + +#+TITLE: I/O +#+AUTHOR: FOSSEE +#+EMAIL: +#+DATE: + +#+DESCRIPTION: +#+KEYWORDS: +#+LANGUAGE: en +#+OPTIONS: H:3 num:nil toc:nil \n:nil @:t ::t |:t ^:t -:t f:t *:t <:t +#+OPTIONS: TeX:t LaTeX:nil skip:nil d:nil todo:nil pri:nil tags:not-in-toc + +* Outline + - Showing output to the user. + - Taking input from the user. +* Question 1 + What happens when you do ~print "x is %d y is %f" %(x, y)~ +* Solution 1 + ~int~ value of ~x~ and ~float~ value of ~y~ are printed corresponding to the + modifiers used in the ~print~ statement +* Question 2 + Enter the number 5.6 as input and store it in a variable called + ~c~. +* Solution 2 + #+begin_src python + In []: c = raw_input() + 5.6 + In []: c + #+end_src +* Question 3 + What happens when you do not enter anything and hit enter +* Solution 3 + #+begin_src python + In []: c = raw_input() + + In []: c + #+end_src +* Question 4 + How do you display a prompt and let the user enter input in a new line +* Solution 4 + #+begin_src python + In []: ip = raw_input("Please enter a number in the next line\n> ") + #+end_src +* Summary + You should now be able to -- + + Print a value "as is" + + Print a value using using modifiers + + Accept input from user + + Display a prompt before accepting input +* Thank you! +#+begin_latex + \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_latex + + diff -r 146a6bf5c30b -r 89437325b326 input_output/slides.tex --- a/input_output/slides.tex Mon Oct 11 00:58:58 2010 +0530 +++ b/input_output/slides.tex Mon Oct 11 00:59:36 2010 +0530 @@ -1,95 +1,133 @@ -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%Tutorial slides on Python. -% -% Author: FOSSEE -% Copyright (c) 2009, FOSSEE, IIT Bombay -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% - -\documentclass[14pt,compress]{beamer} -%\documentclass[draft]{beamer} -%\documentclass[compress,handout]{beamer} -%\usepackage{pgfpages} -%\pgfpagesuselayout{2 on 1}[a4paper,border shrink=5mm] - -% Modified from: generic-ornate-15min-45min.de.tex -\mode -{ - \usetheme{Warsaw} - \useoutertheme{infolines} - \setbeamercovered{transparent} -} - -\usepackage[english]{babel} +% Created 2010-10-10 Sun 21:00 +\documentclass[presentation]{beamer} \usepackage[latin1]{inputenc} -%\usepackage{times} \usepackage[T1]{fontenc} - -\usepackage{ae,aecompl} -\usepackage{mathpazo,courier,euler} -\usepackage[scaled=.95]{helvet} +\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}} -\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} - -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -% Macros -\setbeamercolor{emphbar}{bg=blue!20, fg=black} -\newcommand{\emphbar}[1] -{\begin{beamercolorbox}[rounded=true]{emphbar} - {#1} - \end{beamercolorbox} -} -\newcounter{time} -\setcounter{time}{0} -\newcommand{\inctime}[1]{\addtocounter{time}{#1}{\tiny \thetime\ m}} - -\newcommand{\typ}[1]{\lstinline{#1}} - -\newcommand{\kwrd}[1]{ \texttt{\textbf{\color{blue}{#1}}} } - -% Title page -\title{Your Title Here} - -\author[FOSSEE] {FOSSEE} - -\institute[IIT Bombay] {Department of Aerospace Engineering\\IIT Bombay} +\title{I/O} +\author{FOSSEE} \date{} -% DOCUMENT STARTS +\usetheme{Warsaw}\usecolortheme{default}\useoutertheme{infolines}\setbeamercovered{transparent} \begin{document} +\maketitle + + + + + + + + + \begin{frame} - \maketitle +\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{Outline} - \begin{itemize} - \item - \end{itemize} +\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} -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -%% All other slides here. %% -%% The same slides will be used in a classroom setting. %% -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + 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() + +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{Summary} - \begin{itemize} - \item - \end{itemize} +\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{Thank you!} +\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