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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"

"http://www.w3.org/TR/REC-html40/loose.dtd">

<html>

</head>

<body>

Python for Informatics: Exploring Information

Charles Severance

Version 0.0.8-d2

<ul>

<li><a href="cfbook001.html">Preface</a>

<ul>

<li><a href="cfbook001.html#toc1">Python for Informatics: Remixing an Open Book</a>

</li><li><a href="cfbook001.html#toc2">Preface for "Think Python"</a>

</li></ul>

</li><li><a href="cfbook002.html">Why should you learn to write programs?</a>

<ul>

<li><a href="cfbook002.html#toc3">Creativity and motivation</a>

</li><li><a href="cfbook002.html#toc4">Computer hardware architecture</a>

</li><li><a href="cfbook002.html#toc5">Understanding programming</a>

</li><li><a href="cfbook002.html#toc6">Words and sentences</a>

</li><li><a href="cfbook002.html#toc7">Conversing with Python</a>

</li><li><a href="cfbook002.html#toc8">Terminology: interpreter and compiler</a>

</li><li><a href="cfbook002.html#toc9">Writing a program</a>

</li><li><a href="cfbook002.html#toc10">What is a program?</a>

</li><li><a href="cfbook002.html#toc11">The building blocks of programs</a>

</li><li><a href="cfbook002.html#toc12">What could possibly go wrong?</a>

</li><li><a href="cfbook002.html#toc13">The learning journey</a>

</li><li><a href="cfbook002.html#toc14">Glossary</a>

</li><li><a href="cfbook002.html#toc15">Exercises</a>

</li></ul>

</li><li><a href="cfbook003.html">Variables, expressions and statements</a>

<ul>

<li><a href="cfbook003.html#toc16">Values and types</a>

</li><li><a href="cfbook003.html#toc17">Variables</a>

</li><li><a href="cfbook003.html#toc18">Variable names and keywords</a>

</li><li><a href="cfbook003.html#toc19">Statements</a>

</li><li><a href="cfbook003.html#toc20">Operators and operands</a>

</li><li><a href="cfbook003.html#toc21">Expressions</a>

</li><li><a href="cfbook003.html#toc22">Order of operations</a>

</li><li><a href="cfbook003.html#toc23">Modulus operator</a>

</li><li><a href="cfbook003.html#toc24">String operations</a>

</li><li><a href="cfbook003.html#toc25">Asking the user for input</a>

</li><li><a href="cfbook003.html#toc26">Comments</a>

</li><li><a href="cfbook003.html#toc27">Choosing mnemonic variable names</a>

</li><li><a href="cfbook003.html#toc28">Debugging</a>

</li><li><a href="cfbook003.html#toc29">Glossary</a>

</li><li><a href="cfbook003.html#toc30">Exercises</a>

</li></ul>

</li><li><a href="cfbook004.html">Conditional execution</a>

<ul>

<li><a href="cfbook004.html#toc31">Boolean expressions</a>

</li><li><a href="cfbook004.html#toc32">Logical operators</a>

</li><li><a href="cfbook004.html#toc33">Conditional execution</a>

</li><li><a href="cfbook004.html#toc34">Alternative execution</a>

</li><li><a href="cfbook004.html#toc35">Chained conditionals</a>

</li><li><a href="cfbook004.html#toc36">Nested conditionals</a>

</li><li><a href="cfbook004.html#toc37">Catching exceptions using try and except</a>

</li><li><a href="cfbook004.html#toc38">Short circuit evaluation of logical expressions</a>

</li><li><a href="cfbook004.html#toc39">Debugging</a>

</li><li><a href="cfbook004.html#toc40">Glossary</a>

</li><li><a href="cfbook004.html#toc41">Exercises</a>

</li></ul>

</li><li><a href="cfbook005.html">Functions</a>

<ul>

<li><a href="cfbook005.html#toc42">Function calls</a>

</li><li><a href="cfbook005.html#toc43">Built-in functions</a>

</li><li><a href="cfbook005.html#toc44">Type conversion functions</a>

</li><li><a href="cfbook005.html#toc45">Random numbers</a>

</li><li><a href="cfbook005.html#toc46">Math functions</a>

</li><li><a href="cfbook005.html#toc47">Adding new functions</a>

</li><li><a href="cfbook005.html#toc48">Definitions and uses</a>

</li><li><a href="cfbook005.html#toc49">Flow of execution</a>

</li><li><a href="cfbook005.html#toc50">Parameters and arguments</a>

</li><li><a href="cfbook005.html#toc51">Fruitful functions and void functions</a>

</li><li><a href="cfbook005.html#toc52">Why functions?</a>

</li><li><a href="cfbook005.html#toc53">Debugging</a>

</li><li><a href="cfbook005.html#toc54">Glossary</a>

</li><li><a href="cfbook005.html#toc55">Exercises</a>

</li></ul>

</li><li><a href="cfbook006.html">Iteration</a>

<ul>

<li><a href="cfbook006.html#toc56">Updating variables</a>

</li><li><a href="cfbook006.html#toc57">The <tt>while</tt> statement</a>

</li><li><a href="cfbook006.html#toc58">Infinite loops</a>

</li><li><a href="cfbook006.html#toc59">"Infinite loops" and <tt>break</tt></a>

</li><li><a href="cfbook006.html#toc60">Finishing iterations with <tt>continue</tt></a>

</li><li><a href="cfbook006.html#toc61">Definite loops using <tt>for</tt> </a>

</li><li><a href="cfbook006.html#toc62">Loop patterns</a>

</li><li><a href="cfbook006.html#toc63">Debugging</a>

</li><li><a href="cfbook006.html#toc64">Glossary</a>

</li><li><a href="cfbook006.html#toc65">Exercises</a>

</li></ul>

</li><li><a href="cfbook007.html">Strings</a>

<ul>

<li><a href="cfbook007.html#toc66">A string is a sequence</a>

</li><li><a href="cfbook007.html#toc67">Getting the length of a string using <tt>len</tt></a>

</li><li><a href="cfbook007.html#toc68">Traversal through a string with a loop</a>

</li><li><a href="cfbook007.html#toc69">String slices</a>

</li><li><a href="cfbook007.html#toc70">Strings are immutable</a>

</li><li><a href="cfbook007.html#toc71">Looping and counting</a>

</li><li><a href="cfbook007.html#toc72">The <tt>in</tt> operator</a>

</li><li><a href="cfbook007.html#toc73">String comparison</a>

</li><li><a href="cfbook007.html#toc74"><tt>string</tt> methods</a>

</li><li><a href="cfbook007.html#toc75">Parsing strings</a>

</li><li><a href="cfbook007.html#toc76">Format operator</a>

</li><li><a href="cfbook007.html#toc77">Debugging</a>

</li><li><a href="cfbook007.html#toc78">Glossary</a>

</li><li><a href="cfbook007.html#toc79">Exercises</a>

</li></ul>

</li><li><a href="cfbook008.html">Files</a>

<ul>

<li><a href="cfbook008.html#toc80">Persistence</a>

</li><li><a href="cfbook008.html#toc81">Opening files</a>

</li><li><a href="cfbook008.html#toc82">Text files and lines</a>

</li><li><a href="cfbook008.html#toc83">Reading files</a>

</li><li><a href="cfbook008.html#toc84">Searching through a file</a>

</li><li><a href="cfbook008.html#toc85">Letting the user choose the file name</a>

</li><li><a href="cfbook008.html#toc86">Using <tt>try, except,</tt> and <tt>open</tt></a>

</li><li><a href="cfbook008.html#toc87">Writing files</a>

</li><li><a href="cfbook008.html#toc88">Debugging</a>

</li><li><a href="cfbook008.html#toc89">Glossary</a>

</li><li><a href="cfbook008.html#toc90">Exercises</a>

</li></ul>

</li><li><a href="cfbook009.html">Lists</a>

<ul>

<li><a href="cfbook009.html#toc91">A list is a sequence</a>

</li><li><a href="cfbook009.html#toc92">Lists are mutable</a>

</li><li><a href="cfbook009.html#toc93">Traversing a list</a>

</li><li><a href="cfbook009.html#toc94">List operations</a>

</li><li><a href="cfbook009.html#toc95">List slices</a>

</li><li><a href="cfbook009.html#toc96">List methods</a>

</li><li><a href="cfbook009.html#toc97">Deleting elements</a>

</li><li><a href="cfbook009.html#toc98">Lists and functions</a>

</li><li><a href="cfbook009.html#toc99">Lists and strings</a>

</li><li><a href="cfbook009.html#toc100">Parsing lines</a>

</li><li><a href="cfbook009.html#toc101">Objects and values</a>

</li><li><a href="cfbook009.html#toc102">Aliasing</a>

</li><li><a href="cfbook009.html#toc103">List arguments</a>

</li><li><a href="cfbook009.html#toc104">Debugging</a>

</li><li><a href="cfbook009.html#toc105">Glossary</a>

</li><li><a href="cfbook009.html#toc106">Exercises</a>

</li></ul>

</li><li><a href="cfbook010.html">Dictionaries</a>

<ul>

<li><a href="cfbook010.html#toc107">Dictionary as a set of counters</a>

</li><li><a href="cfbook010.html#toc108">Dictionaries and files</a>

</li><li><a href="cfbook010.html#toc109">Looping and dictionaries</a>

</li><li><a href="cfbook010.html#toc110">Advanced text parsing</a>

</li><li><a href="cfbook010.html#toc111">Debugging</a>

</li><li><a href="cfbook010.html#toc112">Glossary</a>

</li><li><a href="cfbook010.html#toc113">Exercises</a>

</li></ul>

</li><li><a href="cfbook011.html">Tuples</a>

<ul>

<li><a href="cfbook011.html#toc114">Tuples are immutable</a>

</li><li><a href="cfbook011.html#toc115">Comparing tuples</a>

</li><li><a href="cfbook011.html#toc116">Tuple assignment</a>

</li><li><a href="cfbook011.html#toc117">Dictionaries and tuples</a>

</li><li><a href="cfbook011.html#toc118">Multiple assignment with dictionaries</a>

</li><li><a href="cfbook011.html#toc119">The most common words</a>

</li><li><a href="cfbook011.html#toc120">Using tuples as keys in dictionaries</a>

</li><li><a href="cfbook011.html#toc121">Sequences: strings, lists, and tuples--Oh My!</a>

</li><li><a href="cfbook011.html#toc122">Debugging</a>

</li><li><a href="cfbook011.html#toc123">Glossary</a>

</li><li><a href="cfbook011.html#toc124">Exercises</a>

</li></ul>

</li><li><a href="cfbook012.html">Regular expressions</a>

<ul>

<li><a href="cfbook012.html#toc125">Character matching in regular expressions</a>

</li><li><a href="cfbook012.html#toc126">Extracting data using regular expressions</a>

</li><li><a href="cfbook012.html#toc127">Combining searching and extracting</a>

</li><li><a href="cfbook012.html#toc128">Escape character</a>

</li><li><a href="cfbook012.html#toc129">Summary</a>

</li><li><a href="cfbook012.html#toc130">Bonus section for Unix users</a>

</li><li><a href="cfbook012.html#toc131">Debugging</a>

</li><li><a href="cfbook012.html#toc132">Glossary</a>

</li><li><a href="cfbook012.html#toc133">Exercises</a>

</li></ul>

</li><li><a href="cfbook013.html">Networked programs</a>

<ul>

<li><a href="cfbook013.html#toc134">HyperText Transport Protocol - HTTP</a>

</li><li><a href="cfbook013.html#toc135">The World's Simplest Web Browser</a>

</li><li><a href="cfbook013.html#toc136">Retrieving an image over HTTP</a>

</li><li><a href="cfbook013.html#toc137">Retrieving web pages with <tt>urllib</tt></a>

</li><li><a href="cfbook013.html#toc138">Parsing HTML and scraping the web</a>

</li><li><a href="cfbook013.html#toc139">Parsing HTML using Regular Expressions</a>

</li><li><a href="cfbook013.html#toc140">Parsing HTML using BeautifulSoup</a>

</li><li><a href="cfbook013.html#toc141">Reading binary files using urllib</a>

</li><li><a href="cfbook013.html#toc142">Glossary</a>

</li><li><a href="cfbook013.html#toc143">Exercises</a>

</li></ul>

</li><li><a href="cfbook014.html">Using Web Services</a>

<ul>

<li><a href="cfbook014.html#toc144">eXtensible Markup Language - XML</a>

</li><li><a href="cfbook014.html#toc145">Parsing XML</a>

</li><li><a href="cfbook014.html#toc146">Looping through nodes</a>

</li><li><a href="cfbook014.html#toc147">JavaScript Object Notation - JSON</a>

</li><li><a href="cfbook014.html#toc148">Parsing JSON</a>

</li><li><a href="cfbook014.html#toc149">Application Programming Interfaces (API)</a>

</li><li><a href="cfbook014.html#toc150">Google geocoding web service</a>

</li><li><a href="cfbook014.html#toc151">Security and API usage</a>

</li><li><a href="cfbook014.html#toc152">Glossary</a>

</li><li><a href="cfbook014.html#toc153">Exercises</a>

</li></ul>

</li><li><a href="cfbook015.html">Using databases and Structured Query Language (SQL)</a>

<ul>

<li><a href="cfbook015.html#toc154">What is a database?</a>

</li><li><a href="cfbook015.html#toc155">Database concepts</a>

</li><li><a href="cfbook015.html#toc156">SQLite manager Firefox add-on</a>

</li><li><a href="cfbook015.html#toc157">Creating a database table</a>

</li><li><a href="cfbook015.html#toc158">Structured Query Language (SQL) summary</a>

</li><li><a href="cfbook015.html#toc159">Spidering Twitter using a database</a>

</li><li><a href="cfbook015.html#toc160">Basic data modeling</a>

</li><li><a href="cfbook015.html#toc161">Programming with multiple tables</a>

</li><li><a href="cfbook015.html#toc162">Three kinds of keys</a>

</li><li><a href="cfbook015.html#toc163">Using JOIN to retrieve data</a>

</li><li><a href="cfbook015.html#toc164">Summary</a>

</li><li><a href="cfbook015.html#toc165">Debugging</a>

</li><li><a href="cfbook015.html#toc166">Glossary</a>

</li></ul>

</li><li><a href="cfbook016.html">Visualizing data</a>

<ul>

<li><a href="cfbook016.html#toc167">Building a Google map from geocoded data</a>

</li><li><a href="cfbook016.html#toc168">Visualizing networks and interconnections</a>

</li><li><a href="cfbook016.html#toc169">Visualizing mail data</a>

</li></ul>

</li><li><a href="cfbook017.html">Automating common tasks on your computer</a>

<ul>

<li><a href="cfbook017.html#toc170">File names and paths</a>

</li><li><a href="cfbook017.html#toc171">Example: Cleaning up a photo directory</a>

</li><li><a href="cfbook017.html#toc172">Command line arguments</a>

</li><li><a href="cfbook017.html#toc173">Pipes</a>

</li><li><a href="cfbook017.html#toc174">Glossary</a>

</li><li><a href="cfbook017.html#toc175">Exercises</a>

</li></ul>

</li><li><a href="cfbook018.html">Python Programming on Windows</a>

</li><li><a href="cfbook019.html">Python Programming on Macintosh</a>

</li><li><a href="cfbook020.html">Contributor List</a>

<ul>

<li><a href="cfbook020.html#toc176">Contributor List for "Python for Informatics"</a>

</li><li><a href="cfbook020.html#toc177">Contributor List for "Think Python"</a>

</li></ul>

</li><li><a href="cfbook021.html">Copyright Detail</a>

</li><li><a href="cfbook022.html">Index</a>

</li></ul>

<hr size="2" /><blockquote>This document was translated from LATEX by

<a href="http://pauillac.inria.fr/~maranget/hevea/index.html">HEVEA and HACHA</a>.

</blockquote>

</body>

</html>

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