conditionals/slides.tex
author bhanu
Thu, 11 Nov 2010 00:22:53 +0530
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% Created 2010-11-10 Wed 13:25
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\documentclass[presentation]{beamer}
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\usepackage[latin1]{inputenc}
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\usepackage[T1]{fontenc}
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\usepackage{fixltx2e}
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\usepackage{graphicx}
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\usepackage{longtable}
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\usepackage{float}
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\usepackage{wrapfig}
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\usepackage{soul}
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\usepackage{textcomp}
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\usepackage{marvosym}
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\usepackage{wasysym}
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\usepackage{latexsym}
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\usepackage{amssymb}
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\usepackage{hyperref}
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\tolerance=1000
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\usepackage[english]{babel} \usepackage{ae,aecompl}
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\usepackage{mathpazo,courier,euler} \usepackage[scaled=.95]{helvet}
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\usepackage{listings}
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\lstset{language=Python, basicstyle=\ttfamily\bfseries,
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commentstyle=\color{red}\itshape, stringstyle=\color{darkgreen},
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showstringspaces=false, keywordstyle=\color{blue}\bfseries}
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\providecommand{\alert}[1]{\textbf{#1}}
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\title{Conditionals}
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\author{FOSSEE}
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\date{}
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\usetheme{Warsaw}\usecolortheme{default}\useoutertheme{infolines}\setbeamercovered{transparent}
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\begin{document}
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\maketitle
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\begin{frame}
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\frametitle{Outline}
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\label{sec-1}
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  In this tutorial, we shall look at
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\begin{itemize}
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\item Using if/else blocks
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\item Using if/elif/else blocks
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\item Using the Ternary conditional statement
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\end{itemize}
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\end{frame}
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\begin{frame}
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\frametitle{Question 1}
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\label{sec-2}
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  Given a number, num. Write an if else block to print num, as is, if
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  it is divisible by 10, else print 10 * num.
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{Solution 1}
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\label{sec-3}
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\lstset{language=Python}
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\begin{lstlisting}
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if num%10 == 0: 
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    print num   
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else:           
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    print 10*num
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\end{lstlisting}
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{\texttt{if/elif} ladder}
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\label{sec-4}
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\lstset{language=Python}
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\begin{lstlisting}
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if user == 'admin':
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    # Do admin operations
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elif user == 'moderator':
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    # Do moderator operations
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elif user == 'client':
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    # Do customer operations
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\end{lstlisting}
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\end{frame}
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\begin{frame}
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\frametitle{Question 2}
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\label{sec-5}
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  Given a number, num. Write a ternary operator to print num, as is,
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  if it is divisible by 10, else print 10 * num.
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{Solution 2}
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\label{sec-6}
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\lstset{language=Python}
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\begin{lstlisting}
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print num if num%10 == 0 else 10*num
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\end{lstlisting}
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\end{frame}
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\begin{frame}
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\frametitle{Summary}
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\label{sec-7}
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  In this tutorial session we learnt
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\begin{itemize}
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\item What are conditional statements
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\item if/else statement
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\item if/elif/else statement
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\item Ternary conditional statement - \texttt{C if X else Y}
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\item and the \texttt{pass} statement
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\end{itemize}
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\end{frame}
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\begin{frame}
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\frametitle{Thank you!}
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\label{sec-8}
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  \begin{block}{}
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  \begin{center}
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  This spoken tutorial has been produced by the
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  \textcolor{blue}{FOSSEE} team, which is funded by the 
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  \end{center}
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  \begin{center}
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    \textcolor{blue}{National Mission on Education through \\
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      Information \& Communication Technology \\ 
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      MHRD, Govt. of India}.
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  \end{center}  
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  \end{block}
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\end{frame}
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\end{document}