% Created 2010-11-10 Wed 13:25 \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{Conditionals} \author{FOSSEE} \date{} \usetheme{Warsaw}\usecolortheme{default}\useoutertheme{infolines}\setbeamercovered{transparent} \begin{document} \maketitle \begin{frame} \frametitle{Outline} \label{sec-1} In this tutorial, we shall look at \begin{itemize} \item Using if/else blocks \item Using if/elif/else blocks \item Using the Ternary conditional statement \end{itemize} \end{frame} \begin{frame} \frametitle{Question 1} \label{sec-2} Given a number, num. Write an if else block to print num, as is, if it is divisible by 10, else print 10 * num. \end{frame} \begin{frame}[fragile] \frametitle{Solution 1} \label{sec-3} \lstset{language=Python} \begin{lstlisting} if num%10 == 0: print num else: print 10*num \end{lstlisting} \end{frame} \begin{frame}[fragile] \frametitle{\texttt{if/elif} ladder} \label{sec-4} \lstset{language=Python} \begin{lstlisting} if user == 'admin': # Do admin operations elif user == 'moderator': # Do moderator operations elif user == 'client': # Do customer operations \end{lstlisting} \end{frame} \begin{frame} \frametitle{Question 2} \label{sec-5} Given a number, num. Write a ternary operator to print num, as is, if it is divisible by 10, else print 10 * num. \end{frame} \begin{frame}[fragile] \frametitle{Solution 2} \label{sec-6} \lstset{language=Python} \begin{lstlisting} print num if num%10 == 0 else 10*num \end{lstlisting} \end{frame} \begin{frame} \frametitle{Summary} \label{sec-7} In this tutorial session we learnt \begin{itemize} \item What are conditional statements \item if/else statement \item if/elif/else statement \item Ternary conditional statement - \texttt{C if X else Y} \item and the \texttt{pass} statement \end{itemize} \end{frame} \begin{frame} \frametitle{Thank you!} \label{sec-8} \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}