Gain insights into Python by exploring basic to advanced concepts, including loops, classes, and GUIs with Tkinter. Delve into testing and become a productive Python programmer.

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In this course, you will get a comprehensive overview of Python. You will start by laying the foundation and learning the introductory topics like operators, conditional statements, functions, loops, assignment statements, and more. You will then move onto more advanced topics such as classes and inheritance, iterators, list comprehensions, and dictionaries. Along with this, you will also get to explore the concept of testing and take a look at how GUI applications can be designed using Tkinter, Python's standard GUI library. 

By the time you're done, you'll be able to hit the ground running and be equipped with the tools that will allow you to be productive in Python.

Python 3: From Beginner to Advanced

# Class definition

A **class** describes a new type of **object** and bundles together the methods needed to work with objects of that type. Here is an analogy: a _class_ is like a **cake recipe**, while _objects_ are the **cakes you can make** by following the recipe.

## Defining a class

The syntax for defining a class is
```python
class ClassName(superclass):
 variable and method definitions
```
# Introduction to inheritance

Every class (except the `object` class) has a #concept=superclass#superclass#concept#, and it **inherits** variables and methods from that superclass. That is, all variables and methods defined in (or inherited by) the superclass are available to the new class.

For example, you might define a class `Person` with the variables `name` and `age` and a method `greet`. Every object of this type will have its own copies of those variables, and its own reference to the `greet` method. If you then create a class `Customer` as a subclass of `Person`, every object of type `Customer` will have its own `name` and `age` variables and a `greet` method. Plus, it will have whatever additional variables and methods you declare in `Customer` (for example, a list of purchases).

In this lesson, you'll learn about the concepts of classes and inheritance in Python. 

Introduction

The Absolute Bare Minimum

Better Tools

Classes

Getting Fancy

Testing

Graphical User Interfaces

Modules

Appendix

I Guess We're Doing Python Now Exam

Classes and Inheritance

Class definition

Defining a class

Introduction to inheritance