day2/session1.tex
author Santosh G. Vattam <vattam.santosh@gmail.com>
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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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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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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]{\lstinline{#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: Basics}
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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[] {03 April, 2010\\Day 2, Session 1}
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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 types}
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\begin{frame}
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  \frametitle{Primitive Data types}
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  \begin{itemize}
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    \item Numbers: float, int, complex
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    \item Strings
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    \item Booleans
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  \end{itemize}
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\end{frame}
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\subsection{Numbers}
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\begin{frame}[fragile]
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  \frametitle{Numbers}
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  \begin{itemize}
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    \item \kwrd{int}\\ whole number, no matter what the size!
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  \begin{lstlisting}
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In []: a = 13
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In []: b = 99999999999999999999
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  \end{lstlisting}
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    \item \kwrd{float}
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  \begin{lstlisting}
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In []: p = 3.141592
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  \end{lstlisting}
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  \end{itemize}
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{Complex numbers}
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  \begin{lstlisting}
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In []: c = 3+4j
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In []: abs(c)
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Out[]: 5.0
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In []: c.imag
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Out[]: 4.0
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In []: c.real
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Out[]: 3.0
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  \end{lstlisting}
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\end{frame}
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\subsection{Booleans}
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\begin{frame}[fragile]
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  \frametitle{Booleans}
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  \begin{lstlisting}
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In []: t = True
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In []: f = not t
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In []: f or t
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Out[]: True
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In []: f and t
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Out[]: False
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  \end{lstlisting}
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  \inctime{5}
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\end{frame}
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\begin{frame}[fragile]
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  \frametitle{( )  for precedence}
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  \begin{lstlisting}
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In []: a = False
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In []: b = True
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In []: c = True
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In []: (a and b) or c
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Out[]: True
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In []: a and (b or c)
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Out[]: False
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  \end{lstlisting}
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  \inctime{5}
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\end{frame}
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\subsection{Strings}
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135
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\begin{frame}[fragile]
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  \frametitle{Strings}
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Strings were introduced previously, let us now look at them in a little more detail.
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  \begin{lstlisting}
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In []: w = "hello"
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In []: print w[0] + w[2] + w[-1]
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Out[]: hlo
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In []: len(w)
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Out[]: 5
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  \end{lstlisting}
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\end{frame}
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\begin{frame}[fragile]
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  \frametitle{Strings \ldots}
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  \emphbar{Strings are immutable}
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  \begin{lstlisting}
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In []: w[0] = 'H' 
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  \end{lstlisting}
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  \pause
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  \begin{lstlisting}
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--------------------------------------------
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TypeError  Traceback (most recent call last)
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384
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<ipython console> in <module>()
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TypeError: 'str' object does not
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         support item assignment
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  \end{lstlisting}
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\end{frame}
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\begin{frame}[fragile]
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  \frametitle{String methods}
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  \begin{lstlisting}
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In []: a = 'Hello World'
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In []: a.startswith('Hell')
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Out[]: True
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In []: a.endswith('ld')
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Out[]: True
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In []: a.upper()
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Out[]: 'HELLO WORLD'
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In []: a.lower()
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Out[]: 'hello world'
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  \end{lstlisting}
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\end{frame}
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\begin{frame}[fragile]
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  \frametitle{A bit about IPython}
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  Recall, we showed a few features of IPython, here is one more:
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  \begin{itemize}
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    \item IPython provides better help
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    \item object.function?
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    \begin{lstlisting}
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In []: a = 'Hello World'
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In []: a.lower?
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    \end{lstlisting}
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  \end{itemize}
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\end{frame}
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\begin{frame}[fragile]
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  \frametitle{Still with strings}
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  \begin{itemize}
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    \item We saw split() yesterday
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    \item join() is the opposite of split()
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  \end{itemize}
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  \begin{lstlisting}
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In []: ''.join(['a', 'b', 'c'])
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Out[]: 'abc'
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In []: ', '.join(['a', 'b', 'c'])
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Out[]: 'a, b, c'
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  \end{lstlisting}
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{String formatting}
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  \begin{lstlisting}
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In []: x, y = 1, 1.234
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In []: 'x is %s, y is %s' %(x, y)
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Out[]: 'x is 1, y is 1.234'
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  \end{lstlisting}
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  \begin{itemize}
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    \item \emph{\%d}, \emph{\%f} etc. available
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  \end{itemize}
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  \emphbar{\url{http://docs.python.org/library/stdtypes.html}}
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  \inctime{10}
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\end{frame}
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\section{Operators}
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\begin{frame}[fragile]
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  \frametitle{Arithmetic operators}
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  \small
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  \begin{lstlisting}
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In []: 1786 % 12
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Out[]: 10
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In []: 45 % 2
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Out[]: 1
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In []: 864675 % 10
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Out[]: 5
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In []: 3124 * 126789
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Out[]: 396088836
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In []: big = 1234567891234567890 ** 3
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In []: verybig = big * big * big * big
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  \end{lstlisting}
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\end{frame}
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\begin{frame}[fragile]
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  \frametitle{Arithmetic operators}
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  \begin{lstlisting}
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In []: 17 / 2
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Out[]: 8
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In []: 17 / 2.0
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Out[]: 8.5
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In []: 17.0 / 2
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Out[]: 8.5
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In []: 17.0 / 8.5
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Out[]: 2.0
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  \end{lstlisting}
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\end{frame}
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\begin{frame}[fragile]
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  \frametitle{Arithmetic operators}
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  \begin{lstlisting}
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In []: a = 7546
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In []: a += 1
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In []: a
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Out[]: 7547
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In []: a -= 5
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In []: a
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In []: a *= 2
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In []: a /= 5
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  \end{lstlisting}
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\end{frame}
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\begin{frame}[fragile]
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  \frametitle{String operations}
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  \begin{lstlisting}
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In []: s = 'Hello'
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In []: p = 'World'
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In []: s + p 
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Out[]: 'HelloWorld'
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In []: s * 4
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Out[]: 'HelloHelloHelloHello'
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  \end{lstlisting}
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\end{frame}
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\begin{frame}[fragile]
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  \frametitle{String operations \ldots}
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  \begin{lstlisting}
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In []: s * s
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  \end{lstlisting}
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  \pause
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  \begin{lstlisting}
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--------------------------------------------
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TypeError  Traceback (most recent call last)
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<ipython console> in <module>()
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TypeError: can`t multiply sequence by
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                non-int of type `str`
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  \end{lstlisting}
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\end{frame}
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135
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\begin{frame}[fragile]
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  \frametitle{Relational and logical operators}
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  \begin{lstlisting}
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In []: p, z, n = 1, 0, -1
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In []: p == n
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Out[]: False
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In []: p >= n
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Out[]: True
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In []: n < z < p
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Out[]: True
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In []: p + n != z
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Out[]: False
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  \end{lstlisting}
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\end{frame}
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216
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\begin{frame}[fragile]
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  \frametitle{Built-ins}
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  \begin{lstlisting}
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In []: int(17 / 2.0)
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Out[]: 8
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In []: float(17 / 2)
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Out[]: 8.0
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288
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In []: str(17 / 2.0)
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Out[]: '8.5'
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In []: round( 7.5 )
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Out[]: 8.0
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  \end{lstlisting}
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\end{frame}
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\begin{frame}[fragile]
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  \frametitle{Odds and ends}
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  \begin{itemize}
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    \item Case sensitive
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    \item Dynamically typed $\Rightarrow$ need not specify a type
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      \begin{lstlisting}
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In []: a = 1
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In []: a = 1.1
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In []: a = "Now I am a string!"
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      \end{lstlisting}
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    \item Comments:
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      \begin{lstlisting}
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In []: a = 1  # In-line comments
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In []: # A comment line.
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In []: a = "# Not a comment!"
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      \end{lstlisting}
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  \end{itemize}
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  \inctime{15}
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\end{frame}
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\section{Simple IO}
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\begin{frame}[fragile]
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  \frametitle{Simple IO: Console Input}
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  \small
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  \begin{itemize}
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    \item raw\_input() waits for user input.
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      \begin{lstlisting}
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In []: a = raw_input()
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5
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In []: a
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Out[]: '5'
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   456
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In []: a = raw_input('Enter a value: ')
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Enter a value: 5
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      \end{lstlisting}
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    \item Prompt string is optional.
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    \item All keystrokes are Strings!
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    \item \texttt{int()} converts string to int.
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  \end{itemize}
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\end{frame}
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   465
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\begin{frame}[fragile]
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  \frametitle{Simple IO: Console output}
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  \begin{itemize}
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   469
    \item \typ{print} is straight forward
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    \item Put the following code snippet in a file \typ{hello1.py}
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  \end{itemize}
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  \begin{lstlisting}
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print "Hello"
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print "World"
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In []: %run -i hello1.py
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   478
Hello
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World
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  \end{lstlisting}
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\end{frame}
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\begin{frame}[fragile]
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  \frametitle{Simple IO: Console output \ldots}
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   485
Put the following code snippet in a file \typ{hello2.py}
288
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  \begin{lstlisting}
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   487
print "Hello",
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print "World"
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   489
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In []: %run -i hello2.py
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   492
Hello World
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   493
  \end{lstlisting}
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   494
359
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   495
\emphbar{Note the distinction between \typ{print x} and \typ{print x,}}
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\end{frame}
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   497
135
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   498
\section{Control flow}
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   499
\begin{frame}
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   500
  \frametitle{Control flow constructs}  
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  \begin{itemize}
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   502
  \item \kwrd{if/elif/else}: branching
359
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   503
  \item \kwrd{C if X else D}: Ternary conditional operator
135
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  \item \kwrd{while}: looping
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  \item \kwrd{for}: iterating
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   506
  \item \kwrd{break, continue}: modify loop 
a5da7607ab14 Added Session 1, Day 2 - "Formal approach to Python" slides.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   507
  \item \kwrd{pass}: syntactic filler
a5da7607ab14 Added Session 1, Day 2 - "Formal approach to Python" slides.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   508
  \end{itemize}
a5da7607ab14 Added Session 1, Day 2 - "Formal approach to Python" slides.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   509
\end{frame}
a5da7607ab14 Added Session 1, Day 2 - "Formal approach to Python" slides.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   510
a5da7607ab14 Added Session 1, Day 2 - "Formal approach to Python" slides.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   511
\subsection{Basic Conditional flow}
a5da7607ab14 Added Session 1, Day 2 - "Formal approach to Python" slides.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   512
\begin{frame}[fragile]
a5da7607ab14 Added Session 1, Day 2 - "Formal approach to Python" slides.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   513
  \frametitle{\typ{If...elif...else} example}
373
f04eca8b2f3d Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 366
diff changeset
   514
Type the following code in an editor \& save as \alert{ladder.py}
288
c4e25269a86c Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 250
diff changeset
   515
  \small
227
a6705e2dfdc6 Complete session 1 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 217
diff changeset
   516
  \begin{lstlisting}
359
cb17c87b090e Fixed errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 344
diff changeset
   517
x = int(raw_input("Enter an integer:"))
cb17c87b090e Fixed errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 344
diff changeset
   518
if x < 0:
cb17c87b090e Fixed errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 344
diff changeset
   519
    print 'Be positive!'
cb17c87b090e Fixed errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 344
diff changeset
   520
elif x == 0:
cb17c87b090e Fixed errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 344
diff changeset
   521
    print 'Zero'
cb17c87b090e Fixed errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 344
diff changeset
   522
elif x == 1:
cb17c87b090e Fixed errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 344
diff changeset
   523
    print 'Single'
cb17c87b090e Fixed errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 344
diff changeset
   524
else:
cb17c87b090e Fixed errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 344
diff changeset
   525
    print 'More'
288
c4e25269a86c Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 250
diff changeset
   526
227
a6705e2dfdc6 Complete session 1 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 217
diff changeset
   527
  \end{lstlisting}
a6705e2dfdc6 Complete session 1 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 217
diff changeset
   528
  \inctime{10}
135
a5da7607ab14 Added Session 1, Day 2 - "Formal approach to Python" slides.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   529
\end{frame}
a5da7607ab14 Added Session 1, Day 2 - "Formal approach to Python" slides.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   530
a5da7607ab14 Added Session 1, Day 2 - "Formal approach to Python" slides.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   531
\begin{frame}[fragile]
288
c4e25269a86c Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 250
diff changeset
   532
  \frametitle{Ternary conditional operator}
135
a5da7607ab14 Added Session 1, Day 2 - "Formal approach to Python" slides.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   533
  \begin{lstlisting}
288
c4e25269a86c Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 250
diff changeset
   534
...
c4e25269a86c Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 250
diff changeset
   535
a = raw_input('Enter number(Q to quit):')
297
a835affb1447 Added final changes to all day 2 slides for Calicut workshop.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 288
diff changeset
   536
num = int(a) if a != 'Q' else 0
288
c4e25269a86c Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 250
diff changeset
   537
...
217
2833f0b51adc Completed day 2 Session 1.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 216
diff changeset
   538
  \end{lstlisting}
227
a6705e2dfdc6 Complete session 1 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 217
diff changeset
   539
\end{frame}
a6705e2dfdc6 Complete session 1 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 217
diff changeset
   540
a6705e2dfdc6 Complete session 1 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 217
diff changeset
   541
\begin{frame}[fragile]
a6705e2dfdc6 Complete session 1 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 217
diff changeset
   542
  \frametitle{What did we learn?}
a6705e2dfdc6 Complete session 1 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 217
diff changeset
   543
  \begin{itemize}
288
c4e25269a86c Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 250
diff changeset
   544
    \item Data types: int, float, complex, boolean, string
c4e25269a86c Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 250
diff changeset
   545
    \item Operators: +, -, *, /, \%, **, +=, -=, *=, /=, >, <, <=, >=, ==, !=, a < b < c
c4e25269a86c Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 250
diff changeset
   546
    \item Simple IO: \kwrd{raw\_input} and \kwrd{print}
359
cb17c87b090e Fixed errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 344
diff changeset
   547
    \item Conditional structures: \kwrd{if/elif/else},\\ \kwrd{C if X else D}
227
a6705e2dfdc6 Complete session 1 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 217
diff changeset
   548
  \end{itemize}
135
a5da7607ab14 Added Session 1, Day 2 - "Formal approach to Python" slides.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   549
\end{frame}
a5da7607ab14 Added Session 1, Day 2 - "Formal approach to Python" slides.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   550
a5da7607ab14 Added Session 1, Day 2 - "Formal approach to Python" slides.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   551
\end{document}
344
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   552
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   553
%% Questions for Quiz %%
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   554
%% ------------------ %%
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   555
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   556
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   557
\begin{frame}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   558
\frametitle{\incqno }
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   559
  What is the largest integer value that can be represented natively by Python?
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   560
\end{frame}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   561
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   562
\begin{frame}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   563
\frametitle{\incqno }
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   564
  What is the result of 17.0 / 2?
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   565
\end{frame}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   566
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   567
\begin{frame}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   568
\frametitle{\incqno }
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   569
  Which of the following is not a type in Python?
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   570
  \begin{enumerate}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   571
    \item int
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   572
    \item float
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   573
    \item char
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   574
    \item string
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   575
  \end{enumerate}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   576
\end{frame}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   577
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   578
\begin{frame}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   579
\frametitle{\incqno }
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   580
How do you create a complex number with real part 2 and imaginary part
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   581
0.5.
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   582
\end{frame}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   583
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   584
\begin{frame}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   585
\frametitle{\incqno }
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   586
  What is the difference between \kwrd{print} \emph{x} and \kwrd{print} \emph{x,} ?
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   587
\end{frame}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   588
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   589
\begin{frame}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   590
\frametitle{\incqno }
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   591
  What does '*' * 40 produce?
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   592
\end{frame}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   593
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   594
\begin{frame}[fragile]
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   595
\frametitle{\incqno }
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   596
    What is the output of:
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   597
    \begin{lstlisting}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   598
In []: ', '.join(['a', 'b', 'c'])
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   599
    \end{lstlisting}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   600
\end{frame}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   601
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   602
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   603
\begin{frame}[fragile]
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   604
    \frametitle{\incqno}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   605
  \begin{lstlisting}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   606
In []: 47 % 3 
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   607
  \end{lstlisting}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   608
  What is the output?
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   609
\end{frame}
19754ed6050f Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   610