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Python 101: Interactively learn how to program with Python 3

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All About Strings

Strings in Python String Methods String Slicing String Formatting

Lists, Tuples and Dictionaries

What are we learning in this chapter?Lists Tuples Dictionaries

Conditional Statements

What are conditional statements?The if statement Boolean Operations Checking for Nothing Special Characters if __name__ == “__main__”

Loops

Introduction to Loops The for Loop The while Loop What else is for in loops

Python Comprehensions

Introduction to Comprehensions List comprehensions Dictionary comprehensions Set Comprehensions

Exception Handling

Introduction to Exception Handling Common Exceptions How to Handle Exceptions The finally Statement try, except, or else!

Working with Files

Introduction to File Handling How to Read a File How To Read Files Piece by Piece Writing Files in Python Using the with Operator Catching Errors in file handling

Importing

Importing python modules import this Using from to import Importing Everything!

Functions

Functions Passing Arguments to a Function Keyword Arguments args and kwargs A Note on Scope and Globals Coding tip: Don't repeat yourself

Classes

Introduction to classes in Python Creating a Class What is self?Subclasses

Introspection

Introduction to Introspection The Python Type The Python Dir Python Help!

The CSV Module

What's the CSV Module Reading a CSV File Writing a CSV File

configparser

Configuration files and config parser Creating a Config File How to Read, Update and Delete Options How to Use Interpolation

Logging

Logging in Python Creating a Simple Logger How to log From Multiple Modules (and Formatting too!)Configuring Logs for Work and Pleasure

The os Module

Python's os module os.name os.environ, os.getenv() and os.putenv()Directory and file functions in Python os.path and related functions

Sending emails

Sending email in python Sending Multiple Emails at Once Send email using the TO, CC and BCC lines Add an attachment / body using the email module

The SQLite Module

Getting started with SQLite in python How to Create a Database and INSERT Some Data Updating and Deleting Records Basic SQLite Queries

The subprocess Module

Python's subprocess module The call function The Popen Class Learning to Communicate with subprocess

The sys Module

Python's sys module

The threading module

Threads in Python Writing a Threaded Downloader

Working with Dates and Time

Date and time in Python The datetime Module The time Module

The xml module

Introduction to xml module Working with minidom Parsing with ElementTree How to Create XML with ElementTree How to Edit XML with ElementTree How to Parse XML with ElementTree

The Python Debugger

Debugger module in Python How to Start the Debugger Stepping Through the Code Setting breakpoints

Decorators

Python Decorators A Simple Function Creating a Logging Decorator Built-in Decorators Replacing Setters and Getters with a Python property

The lambda

Lambda statement in Python Tkinter + lambda

Code Profiling

Introduction to Code Profiling Profiling Your Code with cProfile

An Intro to Testing

doctest and unittest Testing with doctest Test Driven Development with unittest Other Notes

Installing Modules

Introduction to Installing packages Installing from Source Using easy\_install Using pip A Note on Dependencies

ConfigObj

configobj in Python Using a configspec

Parsing XML with lxml

What are we learning in this chapter?Parsing XML with lxml Parsing the Book Example Parsing XML with lxml.objectify Creating XML with lxml.objectify

Python Code Analysis

pylint Analyzing Your Code Getting Started with pyflakes

The requests package

What is a 'requests' package?How to Submit a Web Form

SQLAlchemy

SQLAlchemy in Python How to Create a Database How to Insert / Add Data to Your Tables How to Modify Records with SQLAlchemy How to Delete Records in SQLAlchemy The Basic SQL Queries of SQLAlchemy

virtualenv

Virtual environments Creating a Virtual Environment

Creating Modules and Packages

Introduction to Creating Modules & Packages

How to Create a Python Module

How to Create a Python Package

How to Add Your Code to PyPI

What's this chapter about?Creating a setup.py File Registering Packages Uploading Packages to PyPI

The Python egg

Introduction to Python eggs Creating an egg

Python wheels

Introduction to Python wheel Creating a wheel Installing a Python wheel

py2exe

Introduction to py2exe Creating a Simple GUI The py2exe setup.py file Creating an Advanced setup.py File

bbfreeze

bbfreeze package Getting Started with bbfreeze Using bbfreeze's Advanced Configuration

cx_Freeze

Introduction to cx_Freeze Getting Started with cx_Freeze Advanced cx_Freeze - Using a setup.py File

PyInstaller

Introduction to PyInstaller Getting Started with PyInstaller PyInstaller and wxPython

Creating an Installer

Introduction to Creating an Installer Getting Started with GUI2Exe Let's Make an Installer!

How to Create a Python Module

We will begin by creating a super simple module. This module will provide us with basic arithmetic and no error handling. Here’s our first example:

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