diff -r 88a01948450d -r d33698326409 manipulating_lists/slides.tex --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/manipulating_lists/slides.tex Wed Dec 01 16:51:35 2010 +0530 @@ -0,0 +1,152 @@ +% Created 2010-11-09 Tue 16:07 +\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{Manipulating Lists} +\author{FOSSEE} +\date{} + +\usetheme{Warsaw}\usecolortheme{default}\useoutertheme{infolines}\setbeamercovered{transparent} +\begin{document} + +\maketitle + + + + + + + + + +\begin{frame} +\frametitle{Outline} +\label{sec-1} + + In this session we shall be looking at +\begin{itemize} +\item Concatenating lists +\item Obtaining parts of lists +\item Sorting lists +\item Reversing lists +\end{itemize} +\end{frame} +\begin{frame} +\frametitle{Question 1} +\label{sec-2} + + Obtain the primes less than 10, from the list \texttt{primes}. +\end{frame} +\begin{frame}[fragile] +\frametitle{Solution 1} +\label{sec-3} + +\lstset{language=Python} +\begin{lstlisting} +primes[0:4] +\end{lstlisting} +\end{frame} +\begin{frame}[fragile] +\frametitle{Slicing} +\label{sec-4} + +\lstset{language=Python} +\begin{lstlisting} +p[start:stop] +\end{lstlisting} +\begin{itemize} +\item Returns all elements of \texttt{p} between \texttt{start} and \texttt{stop} +\item The element with index equal to \texttt{stop} is \textbf{not} included. +\end{itemize} +\end{frame} +\begin{frame} +\frametitle{Question 2} +\label{sec-5} + + Obtain all the multiples of three from the list \texttt{num}. +\end{frame} +\begin{frame}[fragile] +\frametitle{Solution 2} +\label{sec-6} + +\lstset{language=Python} +\begin{lstlisting} +num[::3] +\end{lstlisting} +\end{frame} +\begin{frame}[fragile] +\frametitle{Question 3} +\label{sec-7} + + Given a list of marks of students in an examination, obtain a list + with marks in descending order. +\lstset{language=Python} +\begin{lstlisting} +marks = [99, 67, 47, 100, 50, 75, 62] +\end{lstlisting} +\end{frame} +\begin{frame}[fragile] +\frametitle{Solution 3} +\label{sec-8} + +\lstset{language=Python} +\begin{lstlisting} +sorted(marks)[::-1] +\end{lstlisting} +OR +\lstset{language=Python} +\begin{lstlisting} +sorted(marks, reverse=True) +\end{lstlisting} +\end{frame} +\begin{frame} +\frametitle{Summary} +\label{sec-9} + + In this tutorial session we learnt +\begin{itemize} +\item Obtaining parts of lists using slicing and striding +\item List concatenation +\item Sorting lists +\item Reversing lists +\end{itemize} +\end{frame} +\begin{frame} +\frametitle{Thank you!} +\label{sec-10} + + \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}