writing_python_scripts/slides.tex
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% Created 2010-10-10 Sun 23:53
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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{Sets}
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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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\begin{itemize}
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\item Defining Sets
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\item Operations on sets
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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 list of marks, \texttt{marks = [20, 23, 22, 23, 20, 21, 23]} list
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  all the duplicates
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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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marks = [20, 23, 22, 23, 20, 21, 23] 
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marks_set = set(marks)
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for mark in marks_set:
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    marks.remove(mark)
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# we are now left with only duplicates in the list marks
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duplicates = set(marks)
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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-4}
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  You should now be able to --
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\begin{itemize}
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\item make sets from lists
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\item input sets directly
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\item perform operations like union, intersection, symmetric difference
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\item check if a subset of another
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\item check containership, length and other properties similar to lists
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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-5}
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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}