Gain insights into advanced Python 3, learn the Pythonic Way, explore data structures, functional and object-oriented paradigms, and master iterables, generators, and coroutines through practical projects.

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This highly interactive and advanced course will give you insight into the most common Python tricks and tips. This course is for practicing Python programmers who are aiming for proficiency in Python 3. If you want to switch from Python 2 to Python 3, this is your go-to course. 

This course will help you learn the Pythonic Way of writing code and leveraging advanced robust features to become more proficient than the average developer. You’ll start by covering Python’s built-in data structures, and then you’ll move on to different programming paradigms like functional programming and object-oriented programming. 

In the latter half of the course, you’ll focus on iterables, generators, and coroutines. You’ll also have the opportunity to work on two projects to help strengthen what you learn. In all, this course is perfect for anyone who wants to become a confident and competent Pythonista by picking up the idioms and practical tips.

Mastering the Art of Programming in Python 3

In this section, we'll demystify the difference between class and instance variables.

# Difference between class variable and instance variable
There are _two_ types of data attributes on Python objects:
+ Class variable
+ Instance variable

## Class variable
+ A variable declared inside a class definition and not tied to any instance is called a __class variable__.
+ It stores content on the class itself.
+ All objects created from a particular class share access to the same set of class variables.
+ Modifying a class variable affects all object instances at the same time.

## Instance variable
+ A variable tied to a particular object instance is called an __instance variable__.
+ It stores content on each object created from the class, and not on the class itself.
+ The contents of an instance variable are independent from one instance to the next.
+ Modifying an instance variable only affects one object instance at a time.

Compare the class and instance variables in this lesson.

Introduction

Built-in Data Structures

Functional Programming

Project I: Data Science with Data Structures

Data science with Data Structures

Project I Review

Object-Oriented Idioms

Iterables and Generators

Coroutines

Project II: Build Your Own Matrix Module

Build Your Own Matrix Library

Project II Review

Meta-Programming

The End

Class Variable vs Instance Variable

Difference between class variable and instance variable

Class variable

Instance variable