Python for Everybody Table of Contents
Return to Python for Everybody
Python for Everybody
Exercises
Variables, expressions, and statements Values and types
Variables
Variable names and keywords
Statements
Operators and operands
Expressions
Order of operations
Modulus operator
String operations
Asking the user for input
Comments
Choosing mnemonic variable names
Debugging
Glossary
Exercises
Conditional execution Boolean expressions
Logical operators
Conditional execution
Alternative execution
Chained conditionals
Nested conditionals
Catching exceptions using try and except
Short-circuit evaluation of logical expressions
Debugging
Glossary
Exercises
Functions Function calls
Built-in functions
Type conversion functions
Random numbers
Math functions
Adding new functions
Definitions and uses
Flow of execution
Parameters and arguments
Fruitful functions and void functions
Why functions?
Debugging
Glossary
Exercises
Iteration Updating variables
The while statement
Infinite loops
“Infinite loops” and break
Finishing iterations with continue
Definite loops using for
Loop patterns Counting and summing loops
Maximum and minimum loops
Debugging
Glossary
Exercises
Strings A string is a sequence
Getting the length of a string using len
Traversal through a string with a loop
String slices
Strings are immutable
Looping and counting
The in operator
String comparison
string methods
Parsing strings
Format operator
Debugging
Glossary
Exercises
Files Persistence
Opening files
Text files and lines
Reading files
Searching through a file
Letting the user choose the file name
Using try, except, and open
Writing files
Debugging
Glossary
Exercises
Lists A list is a sequence
Lists are mutable
Traversing a list
List operations
List slices
List methods
Deleting elements
Lists and functions
Lists and strings
Parsing lines
Objects and values
Aliasing
List arguments
Debugging
Glossary
Exercises
Dictionaries Dictionary as a set of counters
Dictionaries and files
Looping and dictionaries
Advanced text parsing
Debugging
Glossary
Exercises
Tuples Tuples are immutable
Comparing tuples
Tuple assignment
Dictionaries and tuples
Multiple assignment with dictionaries
The most common words
Using tuples as keys in dictionaries
Sequences: strings, lists, and tuples - Oh My!
Debugging
Glossary
Exercises
Regular expressions Character matching in regular expressions
Extracting data using regular expressions
Combining searching and extracting
Escape character
Summary
Bonus section for Unix / Linux users
Debugging
Glossary
Exercises
Networked programs HyperText Transfer Protocol - HTTP
The World's Simplest Web Browser
Retrieving an image over HTTP
Retrieving web pages with urllib
Parsing HTML and scraping the web
Parsing HTML using regular expressions
Parsing HTML using BeautifulSoup
Reading binary files using urllib
Glossary
Exercises
Using Web Services eXtensible Markup Language - XML
Parsing XML
Looping through nodes
JavaScript Object Notation - JSON
Parsing JSON
Application Programming Interfaces
Google geocoding web service
Security and API usage
Glossary
Exercises
Object-Oriented Programming Managing Larger Programs
Getting Started
Using Objects
Starting with Programs
Subdividing a Problem - Encapsulation
Our First Python Object
Classes as Types
Object Lifecycle
Many Instances
Inheritance
Summary
Glossary
Using Databases and SQL What is a database?
Database concepts
Database Browser for SQLite
Creating a database table
Structured Query Language summary
Spidering Twitter using a database
Basic data modeling
Programming with multiple tables Constraints in database tables
Retrieve and/or insert a record
Storing the friend relationship
Three kinds of keys
Using JOIN to retrieve data
Summary
Debugging
Glossary
Visualizing data Building a Google map from geocoded data
Visualizing networks and interconnections
Visualizing mail data
Credits
Printing History
Copyright Details