diff options
Diffstat (limited to 'day1')
| -rwxr-xr-x | day1/Session-1.tex | 50 | ||||
| -rwxr-xr-x | day1/Session-3.tex | 144 | ||||
| -rw-r--r-- | day1/dummyfile | 10 | ||||
| -rw-r--r-- | day1/handout.tex | 8 | ||||
| -rw-r--r-- | day1/links.tex | 22 |
5 files changed, 184 insertions, 50 deletions
diff --git a/day1/Session-1.tex b/day1/Session-1.tex index e17e9ae..ffa5d43 100755 --- a/day1/Session-1.tex +++ b/day1/Session-1.tex @@ -1,5 +1,5 @@ %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -% Tutorial slides on Python. +%Tutorial slides on Python. % % Author: Prabhu Ramachandran <prabhu at aero.iitb.ac.in> % Copyright (c) 2005-2009, Prabhu Ramachandran @@ -33,7 +33,7 @@ \usepackage{listings} \lstset{language=Python, - basicstyle=\ttfamily, + basicstyle=\ttfamily\bfseries, commentstyle=\color{red}\itshape, stringstyle=\color{darkgreen}, showstringspaces=false, @@ -134,12 +134,16 @@ % * Add slides on reference counting. \section{Agenda} -\begin{frame}{About the Workshop} +\begin{frame}{About the Workshop, Day 1} \begin{description} \item[Day 1, Session 1] Sat 09:30--11:00 \item[Day 1, Session 2] Sat 11:15--12:45 \item[Day 1, Session 3] Sat 13:45--15:15 \item[Day 1, Session 4] Sat 15:30--17:00 + \end{description} +\end{frame} +\begin{frame}{About the Workshop, Day 2} + \begin{description} \item[Day 2, Quiz] Sun 09:00--09:30 \item[Day 2, Session 1] Sun 09:30--11:00 \item[Day 2, Session 2] Sun 11:15--12:45 @@ -151,21 +155,22 @@ \begin{frame}{About the Workshop} \begin{block}{Intended Audience} \begin{itemize} - \item Aimed at Engg., Mathematics and Science teachers. + \item Engg., Mathematics and Science teachers. \item Interested students from similar streams. \end{itemize} \end{block} - \begin{block}{Goal} - Successful participants will be able to use python as their scripting and problem solving language. + \begin{block}{Goal:} + Successful participants will be able to + \begin{itemize} + \item use Python as their scripting and problem solving language. + \item train the students to use Python for the same + \end{itemize} \end{block} \end{frame} \begin{frame}{Checklist} - \begin {block}{Live Python} - Have you booted using the Live Python DVD? - \end {block} - \begin{block}{python} + \begin{block}{python} Type python at the command line. Do you see version 2.5 or later? \end{block} \begin{block}{IPython} @@ -308,7 +313,7 @@ \end{center} \end{frame} -\begin{frame}{More exercises?} +\begin{frame}{More exercises} \begin{center} \begin{block}{Round sums} How to round a number to the nearest 5 paise?\\ @@ -508,7 +513,7 @@ Out[8]: False \end{block} \end{frame} -\begin{frame}[fragile]{Surprise! strings!!} +\begin{frame}[fragile]{String formatting} \begin{lstlisting} In [11]: x, y = 1, 1.2 In [12]: 'x is %s, y is %s' %(x, y) @@ -523,10 +528,15 @@ Out[12]: 'x is 1, y is 1.234' \end{frame} \begin{frame} - {Interlude} + {A classic problem} \begin{block} - {A classic problem} - How to interchange values of two variables? Please note that the type of either variable is unknown and it is not necessary that both be of the same type even! + {Interchange values} + How to interchange values of two variables? + \end{block} + \pause + \begin{block}{Note:} + This Python idiom works for all types of variables.\\ +They need not be of the same type! \end{block} \inctime{30} \end{frame} @@ -568,10 +578,9 @@ World \begin{itemize} \item aka scripts \item use your editor - \item Note that white space is the way to specify blocks! \item extension \typ{.py} \item run with \texttt{python hello.py} at the command line - \item in IPython\ldots + \item in IPython using \kwrd{\%run} \end{itemize} \end{frame} @@ -627,10 +636,11 @@ while b < 10: \begin{frame}{So what have we learnt so far?} \begin{itemize} \item The interactive interpreter - \item Basic Data Types-Numbers - \item \typ{if/elif/else, while} - \item Simple IO + \item Basic Data Types \item Creating and running a Python script + \item \kwrd{if/elif/else} + \item Simple IO + \item Basic Looping with \kwrd{while} \end{itemize} \end{frame} \end{document} diff --git a/day1/Session-3.tex b/day1/Session-3.tex index 0a6cf81..d518781 100755 --- a/day1/Session-3.tex +++ b/day1/Session-3.tex @@ -33,7 +33,7 @@ \usepackage{listings} \lstset{language=Python, - basicstyle=\ttfamily, + basicstyle=\ttfamily\bfseries, commentstyle=\color{red}\itshape, stringstyle=\color{darkgreen}, showstringspaces=false, @@ -86,12 +86,12 @@ %% Delete this, if you do not want the table of contents to pop up at -%% the beginning of each subsection: -\AtBeginSubsection[] +%% the beginning of each section: +\AtBeginSection[] { \begin{frame}<beamer> \frametitle{Outline} - \tableofcontents[currentsection,currentsubsection] + \tableofcontents[currentsection] \end{frame} } @@ -110,19 +110,15 @@ \titlepage \end{frame} -\begin{frame} - \frametitle{Outline} - \tableofcontents - % You might wish to add the option [pausesections] -\end{frame} - -\section{Python} +\section{\typ{for}, Lists and Tuples} -\subsection{Problem Set based on Lists and Tuples} - -\begin{frame} - {Problem set 3} - As you can guess, idea is to use \kwrd{for}! +\begin{frame}{Quick Recap} + \begin{itemize} + \item List indexing and slicing + \item The \kwrd{range()} function + \item \kwrd{for} + \item Iterating lists and tuples using \kwrd{for} and \kwrd{range()} + \end{itemize} \end{frame} \begin{frame}{Problem 3.1} @@ -149,7 +145,7 @@ \end{frame} \begin{frame}[fragile] - \frametitle{Problem 3.4a (optional)} + \frametitle{Problem 3.4} Use the \typ{linspace} function and generate a list of N tuples of the form\\ \typ{[($x_1$,f($x_1$)),($x_2$,f($x_2$)),\ldots,($x_N$,f($x_N$))]}\\for the following functions,\begin{itemize} @@ -159,7 +155,7 @@ Use the \typ{linspace} function and generate a list of N tuples of the form\\ \end{frame} \begin{frame}[fragile] - \frametitle{Problem 3.4b (optional)} + \frametitle{Problem 3.5} Using the tuples generated earlier, determine the intervals where the roots of the functions lie. @@ -170,7 +166,7 @@ Use the \typ{linspace} function and generate a list of N tuples of the form\\ % TIME: 15 m, running 185m %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -\subsection{IO} +\section{Parsing} \begin{frame}[fragile] \frametitle{Simple tokenizing and parsing} @@ -190,6 +186,8 @@ for word in s.split(): \end{lstlisting} \end{frame} +\section{Input/Output} + \begin{frame}[fragile] \frametitle{File handling} \begin{lstlisting} @@ -213,13 +211,59 @@ Writing files \begin{frame}[fragile] \frametitle{File and \kwrd{for}} \begin{lstlisting} ->>> f = open('/path/to/file_name') +$ cat dummyfile +One 1 +Two 2 +Three 3 +Four 4 +Five 5 +Six 6 +Seven 7 +Eight 8 +Nine 9 +Ten 10 +\end{lstlisting} +\end{frame} + +\begin{frame}[fragile] + \frametitle{File and \kwrd{for}} +\begin{lstlisting} +>>> f = open('dummyfile') >>> for line in f: ... print line ... \end{lstlisting} \end{frame} +\begin{frame}[fragile] + \frametitle{File and \kwrd{for}} +\begin{lstlisting} +In [1]: f = open('dummyfile') + +In [2]: for line in f: + ...: print line + ...: +\end{lstlisting} + +\begin{columns} + \column{0.3\textwidth} + +\begin{lstlisting} +One 1 + +Two 2 + +Three 3 +\end{lstlisting} + \column{0.6\textwidth} +\pause +\begin{block}{What happens when ...} +the \kwrd{print line} is replaced by \kwrd{print line,} +\end{block} +\end{columns} +\ldots +\end{frame} + \begin{frame}{Problem 4.2} The given file has lakhs of records in the form:\\ \typ{RGN;ID;NAME;MARK1;\ldots;MARK5;TOTAL;PFW}\\ @@ -239,7 +283,7 @@ Writing files % TIME: 30 m, running 215m %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -\subsection{Modules} +\section{Modules} \begin{frame}[fragile] {Modules} @@ -347,14 +391,15 @@ def lcm(a, b): \inctime{25} \end{frame} + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % TIME: 25 m, running 230m %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -\subsection{Coding Style in Python} +\section{Coding Style} \begin{frame}{Readability and Consistency} \begin{itemize} - \item Readability Counts!-Code is read more often than its written. + \item Readability Counts!\\Code is read more often than its written. \item Consistency! \item Know when to be inconsistent. \end{itemize} @@ -393,12 +438,16 @@ def lcm(a, b): \item Ending the docstrings \item One liner docstrings \end{itemize} +More information at PEP8: http://www.python.org/dev/peps/pep-0008/ \inctime{10} \end{frame} +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% TIME: 10 m, running 240m +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -\subsection{Objects} -\begin{frame}{Objects in Python} +\section{Objects} +\begin{frame}{Objects in general} \begin{itemize} \item What is an Object? (Types and classes) \item identity @@ -407,8 +456,35 @@ def lcm(a, b): \end{itemize} \end{frame} +\begin{frame}{Almost everything is an Object!} + \begin{itemize} + \item \typ{list} + \item \typ{tuple} + \item \typ{string} + \item \typ{dictionary} + \item \typ{function} + \item Of course, user defined class objects! + \end{itemize} +\end {frame} + +\begin{frame}{Using Objects} + \begin{itemize} + \item Creating Objects: Initialization + \item Object Manipulation: Object methods and ``.'' operator + \end{itemize} +\end{frame} + +\begin{frame}[fragile] + \frametitle{IPython Examples} + \begin{lstlisting} +In [1]: l = [] #Initialising a list object +In [2]: l? +In [3]: l.<tab> + \end{lstlisting} +\end{frame} + \begin{frame}[fragile] - \frametitle{Why are they useful?} + \frametitle{Objects provide consistency} \small \begin{lstlisting} for element in (1, 2, 3): @@ -430,9 +506,17 @@ for line in urllib2.urlopen('http://site.com'): \inctime{10} \end{frame} -\begin{frame} - \frametitle{What did we learn?} - \tableofcontents - % You might wish to add the option [pausesections] +\section{Summary} + +\begin{frame}{What have we learnt so far?} + \begin{itemize} + \item Operating on lists and tuples using \kwrd{for} + \item Simple string tokenizing and parsing + \item Writing to and Reading from files using \kwrd{for} + \item Using and writing Python Modules + \item Coding Style + \item Objects in Python + \end{itemize} \end{frame} + \end{document} diff --git a/day1/dummyfile b/day1/dummyfile new file mode 100644 index 0000000..a50b33a --- /dev/null +++ b/day1/dummyfile @@ -0,0 +1,10 @@ +One 1 +Two 2 +Three 3 +Four 4 +Five 5 +Six 6 +Seven 7 +Eight 8 +Nine 9 +Ten 10
\ No newline at end of file diff --git a/day1/handout.tex b/day1/handout.tex index c16725a..a4f1c88 100644 --- a/day1/handout.tex +++ b/day1/handout.tex @@ -670,4 +670,12 @@ for i in range(1, 100): squares = [i*i for i in range(1, 100) if i % 10 in [1, 2, 5, 7]] \end{verbatim} +\newpage +\section{Further Reference:} +\begin{itemize} + \item Most referred and trusted material for learning \emph{Python} language is available at docs.python.org/tutorial/ + \item ``may be one of the thinnest programming language books on my shelf, but it's also one of the best.'' -- \emph{Slashdot, AccordianGuy, September 8, 2004}- available at diveintopython.org/ + \item How to Think Like a Computer Scientist: Learning with Python available at http://www.openbookproject.net/thinkcs/python/english/ \\ + ``The concepts covered here apply to all programming languages and to problem solving in general.'' -- \emph{Guido van Rossum, creator of Python} +\end{itemize} \end{document} diff --git a/day1/links.tex b/day1/links.tex new file mode 100644 index 0000000..7734d47 --- /dev/null +++ b/day1/links.tex @@ -0,0 +1,22 @@ +\documentclass[12pt]{article} +\title{Links and References} +\author{Asokan Pichai\\Prabhu Ramachandran} +\begin{document} +\maketitle +\begin{itemize} + \item Most referred and trusted material for learning \emph{Python} language is available at \url{http://docs.python.org/tutorial/} + \item ``may be one of the thinnest programming language books on my shelf, but it's also one of the best.'' -- \emph{Slashdot, AccordianGuy, September 8, 2004}- available at \url{http://diveintopython.org/} + \item How to Think Like a Computer Scientist: Learning with Python available at \url{http://www.openbookproject.net/thinkcs/python/english/}\\``The concepts covered here apply to all programming languages and to problem solving in general.'' -- \emph{Guido van Rossum, creator of Python} + \item Some assorted articles related to Python \url{http://effbot.org/zone/index.htm} + \item To read more on strings refer to: \\ \url{http://docs.python.org/library/stdtypes.html#string-methods} + \item For documentation on IPython refer: \\ \url{http://ipython.scipy.org/moin/Documentation} + \item Documentation for Numpy and Scipy is available at: \url{http://docs.scipy.org/doc/} + \item For "recipes" or worked examples of commonly-done tasks in SciPy explore: \url{http://www.scipy.org/Cookbook/} + \item User Guide for Mayavi is the best place to look for Mayavi Documentation, available at: \\ \url{http://code.enthought.com/projects/mayavi/docs/development/html/mayavi/} + \item Explore examples and plots based on matplotlib at \\ \url{http://matplotlib.sourceforge.net/examples/index.html} + \item One stop go for Sage is \url{http://www.sagemath.org/doc/} + \item Central page for all SymPy’s documentation is at \\ \url{http://docs.sympy.org/} + \item For videos from basics to advanced Python check out: \\ \url{http://www.archive.org/search.php?query=scipy09} + +\end{itemize} +\end{document} |