day2/session2.tex
author Nishanth Amuluru <nishanth@fossee.in>
Tue, 14 Dec 2010 23:15:36 +0530
branchscipyin2010
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parent 450 80028e4eee3d
permissions -rw-r--r--
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%Tutorial slides on Python.
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%
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% Author: FOSSEE 
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% Copyright (c) 2009, FOSSEE, IIT Bombay
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\documentclass[14pt,compress]{beamer}
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%\documentclass[draft]{beamer}
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%\documentclass[compress,handout]{beamer}
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%\usepackage{pgfpages} 
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%\pgfpagesuselayout{2 on 1}[a4paper,border shrink=5mm]
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% Modified from: generic-ornate-15min-45min.de.tex
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\mode<presentation>
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{
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  \usetheme{Warsaw}
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  \useoutertheme{infolines}
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  \setbeamercovered{transparent}
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}
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\usepackage[english]{babel}
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\usepackage[latin1]{inputenc}
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%\usepackage{times}
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\usepackage[T1]{fontenc}
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% Taken from Fernando's slides.
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\usepackage{ae,aecompl}
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\usepackage{mathpazo,courier,euler}
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\usepackage[scaled=.95]{helvet}
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\definecolor{darkgreen}{rgb}{0,0.5,0}
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\usepackage{listings}
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\lstset{language=Python,
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    basicstyle=\ttfamily\bfseries,
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    commentstyle=\color{red}\itshape,
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  stringstyle=\color{darkgreen},
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  showstringspaces=false,
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  keywordstyle=\color{blue}\bfseries}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% Macros
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\setbeamercolor{emphbar}{bg=blue!20, fg=black}
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\newcommand{\emphbar}[1]
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{\begin{beamercolorbox}[rounded=true]{emphbar} 
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      {#1}
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 \end{beamercolorbox}
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}
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\newcounter{time}
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\setcounter{time}{0}
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\newcommand{\inctime}[1]{\addtocounter{time}{#1}{\tiny \thetime\ m}}
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\newcommand{\typ}[1]{\textbf{\texttt{#1}}}
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\newcommand{\kwrd}[1]{ \texttt{\textbf{\color{blue}{#1}}}  }
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%%% This is from Fernando's setup.
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% \usepackage{color}
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% \definecolor{orange}{cmyk}{0,0.4,0.8,0.2}
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% % Use and configure listings package for nicely formatted code
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% \usepackage{listings}
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% \lstset{
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%    language=Python,
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%    basicstyle=\small\ttfamily,
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%    commentstyle=\ttfamily\color{blue},
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%    stringstyle=\ttfamily\color{orange},
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%    showstringspaces=false,
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%    breaklines=true,
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%    postbreak = \space\dots
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% }
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% Title page
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\title[Basic Python]{Python language: Data structures and functions}
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\author[FOSSEE Team] {The FOSSEE Group}
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\institute[IIT Bombay] {Department of Aerospace Engineering\\IIT Bombay}
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\date[] {SciPy.in 2010, Tutorials}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%\pgfdeclareimage[height=0.75cm]{iitmlogo}{iitmlogo}
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%\logo{\pgfuseimage{iitmlogo}}
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%% Delete this, if you do not want the table of contents to pop up at
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%% the beginning of each subsection:
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\AtBeginSubsection[]
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{
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  \begin{frame}<beamer>
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    \frametitle{Outline}
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    \tableofcontents[currentsection,currentsubsection]
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  \end{frame}
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}
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\AtBeginSection[]
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{
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  \begin{frame}<beamer>
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    \frametitle{Outline}
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    \tableofcontents[currentsection,currentsubsection]
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  \end{frame}
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}
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% If you wish to uncover everything in a step-wise fashion, uncomment
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% the following command: 
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%\beamerdefaultoverlayspecification{<+->}
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%\includeonlyframes{current,current1,current2,current3,current4,current5,current6}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% DOCUMENT STARTS
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\begin{document}
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\begin{frame}
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  \titlepage
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\end{frame}
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\begin{frame}
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  \frametitle{Outline}
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  \tableofcontents
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  % You might wish to add the option [pausesections]
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\end{frame}
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\section{Data structures}
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\subsection{Lists}
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\begin{frame}[fragile]
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  \frametitle{Lists}
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\begin{block}{We already know that}
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  \begin{lstlisting}
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num = [1, 2, 3, 4]
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  \end{lstlisting}
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is a list
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\end{block}
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\end{frame}
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\begin{frame}[fragile]
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  \frametitle{Lists: methods}
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  \begin{lstlisting}
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In []: num = [9, 8, 2, 3, 7]
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In []: num + [4, 5, 6]
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Out[]: [9, 8, 2, 3, 7, 4, 5, 6]
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In []: num.append([4, 5, 6])
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In []: num
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Out[]: [9, 8, 2, 3, 7, [4, 5, 6]]
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  \end{lstlisting}
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\end{frame}
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\begin{frame}[fragile]
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  \frametitle{Lists: methods}
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  \begin{lstlisting}
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In []: num = [9, 8, 2, 3, 7]
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In []: num.extend([4, 5, 6])
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In []: num
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Out[]: [9, 8, 2, 3, 7, 4, 5, 6]
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In []: num.reverse()
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In []: num
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Out[]: [6, 5, 4, 7, 3, 2, 8, 9]
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In []: num.remove(6)
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In []: 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{List containership}
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\emphbar{Recall \typ{num} is \typ{[9, 8, 2, 3, 7]}}
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\begin{lstlisting}
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In []: 4 in num
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Out[]: False
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In []: b = 8
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In []: b in num
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Out[]: True
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In []: b not in num
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Out[]: False
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\end{lstlisting}
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\end{frame}
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\subsection{Tuples}
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\begin{frame}[fragile]
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\frametitle{Tuples: Immutable lists}
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\begin{lstlisting}
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In []: t = (1, 2, 3, 4, 5, 6, 7, 8)
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In []: t[0] + t[3] + t[-1]
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Out[]: 13
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In []: t[4] = 7 
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\end{lstlisting}
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\pause
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\begin{block}{Note:}
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\begin{itemize}
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  \item Tuples are immutable - cannot be changed
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\end{itemize}
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\end{block}
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\end{frame}
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\begin{frame}
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  {A classic problem}
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  \begin{block}
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    {Interchange values}
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    How to interchange values of two variables? 
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  \end{block}
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  \pause
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  \begin{block}{Note:}
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    This Python idiom works for all types of variables.\\
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They need not be of the same type!
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  \end{block}
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\end{frame}
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\subsection{Dictionaries}
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\begin{frame}[fragile]
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  \frametitle{Dictionaries: Introduction}
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  \begin{itemize}
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    \item Lists index using integers\\
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Recall \typ{p = [2, 3, 5, 7]} and\\
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\typ{p[1]} is equal to \typ{3}
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    \item Dictionaries index using strings
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  \end{itemize}
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\end{frame}
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\begin{frame}[fragile]
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  \frametitle{Dictionaries \ldots}
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  \begin{lstlisting}
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In []: d = {'png' : 'image file',
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      'txt' : 'text file', 
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      'py' : 'python code',
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      'java': 'bad code', 
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      'cpp': 'complex code'}
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In []: d['txt']
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Out[]: 'text file'
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  \end{lstlisting}
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\end{frame}
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\begin{frame}[fragile]
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  \frametitle{Dictionaries \ldots}
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  \begin{lstlisting}
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In []: 'py' in d
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Out[]: True
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In []: 'jpg' in d
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Out[]: False
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  \end{lstlisting}
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\end{frame}
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\begin{frame}[fragile]
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  \frametitle{Dictionaries \ldots}
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  \begin{small}
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    \begin{lstlisting}
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In []: d.keys()
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Out[]: ['cpp', 'py', 'txt', 'java', 'png']
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In []: d.values()
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Out[]: ['complex code', 'python code',
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        'text file', 'bad code', 
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        'image file']
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    \end{lstlisting}
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  \end{small}
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%%  \inctime{10}
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\end{frame}
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\begin{frame}[fragile]
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  \frametitle{Inserting elements into dictionary}
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  \emphbar{\alert{\typ{d[key] = value}}}
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  \begin{lstlisting}
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In []: d['bin'] = 'binary file'
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In []: d
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Out[]: 
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{'bin': 'binary file',
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 'cpp': 'complex code',
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 'java': 'bad code',
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 'png': 'image file',
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 'py': 'python code',
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 'txt': 'text file'}
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  \end{lstlisting}
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  \emphbar{\alert{Duplicate keys are overwritten!}}
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\end{frame}
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\begin{frame}[fragile]
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  \frametitle{Dictionaries: containership}
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  \begin{lstlisting}
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In []: 'bin' in d
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Out[]: True
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In []: 'hs' in d
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Out[]: False
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  \end{lstlisting}
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  \begin{block}{Note}
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    \begin{itemize}
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      \item We can check for the containership of keys only
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      \item Not values
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    \end{itemize}
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  \end{block}
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\end{frame}
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\begin{frame}[fragile]
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  \frametitle{Dictionaries: methods}
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  \begin{lstlisting}
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In []: d.keys()
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Out[]: ['bin', 'java', 'py', 'cpp', 'txt', 'png']
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In []: d.values()
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Out[]: 
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['binary file',
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 'bad code',
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 'python code',
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 'complex code',
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 'text file',
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 'image file']
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  \end{lstlisting}
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\end{frame}
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\begin{frame} {Problem Set 2.1: Problem 2.1.1}
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You are given date strings of the form ``29 Jul, 2009'', or ``4 January 2008''. In other words a number, a string and another number, with a comma sometimes separating the items.\\Write a program that takes such a string as input and prints a tuple (yyyy, mm, dd) where all three elements are ints.
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\end{frame}
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\subsection{Sets}
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\begin{frame}[fragile]
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  \frametitle{Sets}
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    \begin{itemize}
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      \item Simplest container, mutable
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      \item No ordering, no duplicates
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      \item usual suspects: union, intersection, subset \ldots
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      \item >, >=, <, <=, in, \ldots
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    \end{itemize}
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    \begin{lstlisting}
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In []: f10 = set([1,2,3,5,8])
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In []: p10 = set([2,3,5,7])
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In []: f10 | p10
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Out[]: set([1, 2, 3, 5, 7, 8])
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\end{lstlisting}
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\end{frame}
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\begin{frame}[fragile]
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  \frametitle{Set \ldots}
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    \begin{lstlisting}
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In []: f10 & p10
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Out[]: set([2, 3, 5])
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In []: f10 - p10
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Out[]: set([1, 8])
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In []: p10 - f10, f10 ^ p10
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Out[]: (set([7]), set([1, 7, 8]))
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In []: set([2,3]) < p10
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Out[]: True
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\end{lstlisting}
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\end{frame}
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\begin{frame}[fragile]
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  \frametitle{Set \ldots}
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    \begin{lstlisting}
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In []: set([2,3]) <= p10
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Out[]: True
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In []: 2 in p10
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Out[]: True
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In []: 4 in p10
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Out[]: False
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In []: len(f10)
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Out[]: 5
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\end{lstlisting}
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\end{frame}
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\begin{frame}
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  \frametitle{Problem set 2.2: Problem 2.2.1}
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Given a dictionary of the names of students and their marks, identify how many duplicate marks are there? and what are these?
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\end{frame}
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\begin{frame}
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  \frametitle{Problem 2.2.2}
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parents: 288
diff changeset
   389
Given a list of words, find all the anagrams in the list.
a835affb1447 Added final changes to all day 2 slides for Calicut workshop.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 288
diff changeset
   390
228
238f3010c981 Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
   391
\end{frame}
238f3010c981 Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
   392
238f3010c981 Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
   393
\begin{frame}
288
c4e25269a86c Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 251
diff changeset
   394
  \frametitle{What did we learn?}
228
238f3010c981 Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
   395
  \begin{itemize}
297
a835affb1447 Added final changes to all day 2 slides for Calicut workshop.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 288
diff changeset
   396
    \item Advanced Data structures:
a835affb1447 Added final changes to all day 2 slides for Calicut workshop.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 288
diff changeset
   397
    \begin{itemize}
a835affb1447 Added final changes to all day 2 slides for Calicut workshop.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 288
diff changeset
   398
      \item Lists
a835affb1447 Added final changes to all day 2 slides for Calicut workshop.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 288
diff changeset
   399
      \item Tuples
a835affb1447 Added final changes to all day 2 slides for Calicut workshop.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 288
diff changeset
   400
      \item Dictionaries
a835affb1447 Added final changes to all day 2 slides for Calicut workshop.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 288
diff changeset
   401
      \item Sets
a835affb1447 Added final changes to all day 2 slides for Calicut workshop.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 288
diff changeset
   402
    \end{itemize}
228
238f3010c981 Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
   403
  \end{itemize}
238f3010c981 Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
   404
\end{frame}
238f3010c981 Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
   405
330
46533051b9d3 commited changes made for scipy and cheatsheats.
Shantanu <shantanu@fossee.in>
parents: 297
diff changeset
   406
\end{document}
344
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   407
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   408
%% Questions for Quiz %%
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   409
%% ------------------ %%
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   410
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   411
\begin{frame}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   412
    \frametitle{\incqno}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   413
  How do you find the presence of an element \emph{x} in the list \emph{a}?
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   414
\end{frame}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   415
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   416
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   417
\begin{frame}[fragile]
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   418
    \frametitle{\incqno}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   419
  \begin{lstlisting}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   420
In []: set([1, 2, 8, 2, 13, 8, 9])
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   421
  \end{lstlisting}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   422
  What is the output?
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   423
\end{frame}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   424
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   425
\begin{frame}[fragile]
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   426
    \frametitle{\incqno}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   427
  \begin{lstlisting}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   428
In []: a = {'a': 1, 'b': 2} 
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   429
In []: a['a'] = 10
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   430
In []: print a
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   431
  \end{lstlisting}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   432
  What is the output?
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   433
\end{frame}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   434
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   435
\begin{frame}[fragile]
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   436
    \frametitle{\incqno}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   437
  \begin{lstlisting}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   438
In []: for i in range(3, 10, 2):
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   439
  ...:     print i
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   440
  \end{lstlisting}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   441
  What is the output?
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   442
\end{frame}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   443
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   444
\begin{frame}[fragile]
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   445
    \frametitle{\incqno}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   446
  \begin{lstlisting}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   447
In []: a = [1, 2, 3] 
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   448
In []: a.extend([5, 6])
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   449
  \end{lstlisting}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   450
  What is the value of a?
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   451
\end{frame}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   452
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   453
\begin{frame}[fragile]
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   454
    \frametitle{\incqno}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   455
  \begin{lstlisting}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   456
In []: a = (1, 2, 3)
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   457
In []: a[1] = 10
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   458
  \end{lstlisting}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   459
  What is the result?
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   460
\end{frame}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   461
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   462
\begin{frame}[fragile]
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   463
    \frametitle{\incqno}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   464
  \begin{lstlisting}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   465
def func(x, y=10):
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   466
    print x+1, y+10
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   467
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   468
func(1)
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   469
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   470
  \end{lstlisting}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   471
  What is the output?
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   472
\end{frame}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   473