author | Prabhu Ramachandran <prabhu@aero.iitb.ac.in> |
Wed, 16 Jun 2010 01:19:34 -0400 | |
branch | scipy2010 |
changeset 401 | 1f4dcd5ca68c |
parent 393 | b7d2222b60a8 |
child 424 | 2ab009c9f80a |
permissions | -rw-r--r-- |
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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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: 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[] {1 May, 2010\\Day 2, Session 2} |
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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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% DOCUMENT STARTS |
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\begin{document} |
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\titlepage |
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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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\frametitle{\typ{while}} |
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\begin{block}{Example: Fibonacci series} |
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Sum of previous two elements defines the next |
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In []: a, b = 0, 1 |
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...: print b, |
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...: |
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\typ{1 1 2 3 5 8}\\ |
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\kwrd{range([start,] stop[, step])}\\ |
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\item \typ{range()} returns a list of integers |
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\item The \typ{start} and the \typ{step} arguments are optional |
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\vspace*{.5in} |
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\begin{block}{Documentation convention} |
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\item \alert{Anything within \typ{[]} is optional} |
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\item Nothing to do with Python. |
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\begin{frame}[fragile] |
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\frametitle{\texttt{for} \ldots \typ{range()}} |
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Example: print squares of first \typ{5} numbers |
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\begin{lstlisting} |
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In []: for i in range(5): |
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....: print i, i * i |
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....: |
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....: |
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0 0 |
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1 1 |
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2 4 |
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3 9 |
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4 16 |
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\end{lstlisting} |
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\end{frame} |
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\begin{frame}[fragile] |
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\frametitle{\texttt{for} \ldots \typ{range()}} |
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Example: print squares of odd numbers from 3 to 9 |
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\begin{lstlisting} |
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In []: for i in range(3, 10, 2): |
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....: print i, i * i |
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....: |
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....: |
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3 9 |
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5 25 |
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7 49 |
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9 81 |
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\end{lstlisting} |
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\inctime{5} |
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\end{frame} |
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\subsection{Exercises} |
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\begin{frame}{Problem set 1: Problem 1.1} |
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Write a program that displays all three digit numbers that are equal to the sum of the cubes of their digits. That is, print numbers $abc$ that have the property $abc = a^3 + b^3 + c^3$\\ |
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For example, $153 = 1^3 + 5^3 + 3^3$\\ |
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\vspace*{0.2in} |
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\emphbar{These are called $Armstrong$ numbers.} |
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\end{frame} |
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\begin{frame}{Problem 1.2 - Collatz sequence} |
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\begin{enumerate} |
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\item Start with an arbitrary (positive) integer. |
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\item If the number is even, divide by 2; if the number is odd, multiply by 3 and add 1. |
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\item Repeat the procedure with the new number. |
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\item It appears that for all starting values there is a cycle of 4, 2, 1 at which the procedure loops. |
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\end{enumerate} |
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Write a program that accepts the starting value and prints out the Collatz sequence. |
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\inctime{5} |
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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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\frametitle{List containership} |
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\emphbar{Recall \typ{num} is \typ{[9, 8, 2, 3, 7]}} |
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Out[]: False |
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Out[]: True |
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\end{lstlisting} |
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\end{frame} |
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\subsection{Tuples} |
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\frametitle{Tuples: Immutable lists} |
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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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\pause |
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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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\inctime{10} |
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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: recall} |
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\begin{lstlisting} |
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In []: player = {'Mat': 134,'Inn': 233, |
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'Runs': 10823, 'Avg': 52.53} |
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In []: player['Avg'] |
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Out[]: 52.530000000000001 |
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\end{lstlisting} |
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\begin{block}{Note!} |
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Duplicate keys $\Rightarrow$ overwritten!\\ |
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You can iterate through a dictionary using keys. |
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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: containership} |
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\begin{lstlisting} |
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In []: 'Inn' in player |
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Out[]: True |
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In []: 'Econ' in player |
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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 []: player.keys() |
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Out[]: ['Runs', 'Inn', 'Avg', 'Mat'] |
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In []: player.values() |
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Out[]: [10823, 233, |
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52.530000000000001, 134] |
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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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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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Given a list of words, find all the anagrams in the list. |
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455 |
\end{frame} |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
456 |
|
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
457 |
\section{Functions} |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
458 |
\begin{frame}[fragile] |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
459 |
\frametitle{Functions} |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
460 |
\begin{itemize} |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
461 |
\item \kwrd{def} - keyword to define a function |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
462 |
\item Arguments are local to a function |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
463 |
\item Functions can return multiple values |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
464 |
\end{itemize} |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
465 |
\end{frame} |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
466 |
|
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
467 |
\begin{frame}[fragile] |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
468 |
\frametitle{Functions: example} |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
469 |
\begin{lstlisting} |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
470 |
def signum( r ): |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
471 |
"""returns 0 if r is zero |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
472 |
-1 if r is negative |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
473 |
+1 if r is positive""" |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
474 |
if r < 0: |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
475 |
return -1 |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
476 |
elif r > 0: |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
477 |
return 1 |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
478 |
else: |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
479 |
return 0 |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
480 |
\end{lstlisting} |
297
a835affb1447
Added final changes to all day 2 slides for Calicut workshop.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
288
diff
changeset
|
481 |
\emphbar{Note docstrings} |
228
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
482 |
\end{frame} |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
483 |
|
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
484 |
\begin{frame}[fragile] |
288
c4e25269a86c
Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
251
diff
changeset
|
485 |
\frametitle {What does this function do?} |
c4e25269a86c
Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
251
diff
changeset
|
486 |
\begin{lstlisting} |
c4e25269a86c
Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
251
diff
changeset
|
487 |
def what( n ): |
c4e25269a86c
Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
251
diff
changeset
|
488 |
if n < 0: n = -n |
c4e25269a86c
Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
251
diff
changeset
|
489 |
while n > 0: |
c4e25269a86c
Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
251
diff
changeset
|
490 |
if n % 2 == 1: |
c4e25269a86c
Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
251
diff
changeset
|
491 |
return False |
c4e25269a86c
Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
251
diff
changeset
|
492 |
n /= 10 |
c4e25269a86c
Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
251
diff
changeset
|
493 |
return True |
c4e25269a86c
Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
251
diff
changeset
|
494 |
\end{lstlisting} |
c4e25269a86c
Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
251
diff
changeset
|
495 |
\end{frame} |
c4e25269a86c
Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
251
diff
changeset
|
496 |
|
c4e25269a86c
Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
251
diff
changeset
|
497 |
\begin{frame}[fragile] |
228
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
498 |
{What does this function do?} |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
499 |
\begin{lstlisting} |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
500 |
def what( n ): |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
501 |
i = 1 |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
502 |
while i * i < n: |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
503 |
i += 1 |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
504 |
return i * i == n, i |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
505 |
\end{lstlisting} |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
506 |
\end{frame} |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
507 |
|
373
f04eca8b2f3d
Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
344
diff
changeset
|
508 |
\begin{frame}[fragile] |
f04eca8b2f3d
Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
344
diff
changeset
|
509 |
\frametitle {What does this function do?} |
f04eca8b2f3d
Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
344
diff
changeset
|
510 |
\begin{lstlisting} |
f04eca8b2f3d
Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
344
diff
changeset
|
511 |
def what( x, n ): |
f04eca8b2f3d
Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
344
diff
changeset
|
512 |
if n < 0: |
f04eca8b2f3d
Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
344
diff
changeset
|
513 |
n = -n |
f04eca8b2f3d
Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
344
diff
changeset
|
514 |
x = 1.0 / x |
f04eca8b2f3d
Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
344
diff
changeset
|
515 |
|
f04eca8b2f3d
Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
344
diff
changeset
|
516 |
z = 1.0 |
f04eca8b2f3d
Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
344
diff
changeset
|
517 |
while n > 0: |
f04eca8b2f3d
Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
344
diff
changeset
|
518 |
if n % 2 == 1: |
f04eca8b2f3d
Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
344
diff
changeset
|
519 |
z *= x |
f04eca8b2f3d
Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
344
diff
changeset
|
520 |
x *= x |
f04eca8b2f3d
Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
344
diff
changeset
|
521 |
n /= 2 |
f04eca8b2f3d
Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
344
diff
changeset
|
522 |
return z |
f04eca8b2f3d
Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
344
diff
changeset
|
523 |
\end{lstlisting} |
f04eca8b2f3d
Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
344
diff
changeset
|
524 |
\end{frame} |
f04eca8b2f3d
Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
344
diff
changeset
|
525 |
|
228
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
526 |
\begin{frame} |
288
c4e25269a86c
Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
251
diff
changeset
|
527 |
\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
|
528 |
\begin{itemize} |
288
c4e25269a86c
Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
251
diff
changeset
|
529 |
\item Loops: \kwrd{while}, \kwrd{for} |
297
a835affb1447
Added final changes to all day 2 slides for Calicut workshop.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
288
diff
changeset
|
530 |
\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
|
531 |
\begin{itemize} |
a835affb1447
Added final changes to all day 2 slides for Calicut workshop.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
288
diff
changeset
|
532 |
\item Lists |
a835affb1447
Added final changes to all day 2 slides for Calicut workshop.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
288
diff
changeset
|
533 |
\item Tuples |
a835affb1447
Added final changes to all day 2 slides for Calicut workshop.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
288
diff
changeset
|
534 |
\item Dictionaries |
a835affb1447
Added final changes to all day 2 slides for Calicut workshop.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
288
diff
changeset
|
535 |
\item Sets |
a835affb1447
Added final changes to all day 2 slides for Calicut workshop.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
288
diff
changeset
|
536 |
\end{itemize} |
288
c4e25269a86c
Reorganized slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
251
diff
changeset
|
537 |
\item Functions |
297
a835affb1447
Added final changes to all day 2 slides for Calicut workshop.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
288
diff
changeset
|
538 |
\item Docstrings |
228
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
539 |
\end{itemize} |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
540 |
\end{frame} |
238f3010c981
Created and made first cut slides for session 2 day 2.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff
changeset
|
541 |
|
330
46533051b9d3
commited changes made for scipy and cheatsheats.
Shantanu <shantanu@fossee.in>
parents:
297
diff
changeset
|
542 |
\end{document} |
344
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
543 |
|
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
544 |
%% Questions for Quiz %% |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
545 |
%% ------------------ %% |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
546 |
|
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
547 |
\begin{frame} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
548 |
\frametitle{\incqno} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
549 |
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
|
550 |
\end{frame} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
551 |
|
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 |
\begin{frame}[fragile] |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
554 |
\frametitle{\incqno} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
555 |
\begin{lstlisting} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
556 |
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
|
557 |
\end{lstlisting} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
558 |
What is the output? |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
559 |
\end{frame} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
560 |
|
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
561 |
\begin{frame}[fragile] |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
562 |
\frametitle{\incqno} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
563 |
\begin{lstlisting} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
564 |
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
|
565 |
In []: a['a'] = 10 |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
566 |
In []: print a |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
567 |
\end{lstlisting} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
568 |
What is the output? |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
569 |
\end{frame} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
570 |
|
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
571 |
\begin{frame}[fragile] |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
572 |
\frametitle{\incqno} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
573 |
\begin{lstlisting} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
574 |
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
|
575 |
...: print i |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
576 |
\end{lstlisting} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
577 |
What is the output? |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
578 |
\end{frame} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
579 |
|
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
580 |
\begin{frame}[fragile] |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
581 |
\frametitle{\incqno} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
582 |
\begin{lstlisting} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
583 |
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
|
584 |
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
|
585 |
\end{lstlisting} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
586 |
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
|
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}[fragile] |
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 |
\begin{lstlisting} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
592 |
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
|
593 |
In []: a[1] = 10 |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
594 |
\end{lstlisting} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
595 |
What is the result? |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
596 |
\end{frame} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
597 |
|
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
598 |
\begin{frame}[fragile] |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
599 |
\frametitle{\incqno} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
600 |
\begin{lstlisting} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
601 |
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
|
602 |
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
|
603 |
|
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
604 |
func(1) |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
605 |
|
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
606 |
\end{lstlisting} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
607 |
What is the output? |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
608 |
\end{frame} |
19754ed6050f
Moved all day2 quiz questions to end of day2-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents:
339
diff
changeset
|
609 |