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

# Indentation rules

**_Indentation matters_** in Python. While other languages use braces in statements, Python uses indentation. There are generally some rules that need to be followed when dealing with indentation in Python, which are the following: 

> **Note:** Standard indentation is four spaces. **_You may not mix spaces with tabs_**. However, any integrated development environment (IDE) or good text editor can be set to add four spaces when you hit the Tab key on your keyboard.

1) Statements at the **same level** must be indented exactly the same amount. 

2) Nested statements, like, statements within a loop body, must be indented relative to the start of the loop.

3) The **first line** of a program may not be indented.

4) Each statement is written on a line by itself. However, if the line contains an unclosed `(, [, or {`, it may be continued on the next line.

5) If you want to put two statements on the same line, you can separate them with a **semicolon** (`;`). 

> If you are used to a language in which every statement ends with a semicolon, this will work in Python. It just looks strange.

The following example provides an overview of all of these indentation rules:

Learn about the indentation rules as well as take a look at the different types of Python statements. 

Statements and Indentation

Learn about the indentation rules as well as take a look at the different types of Python statements.

Introduction

The Absolute Bare Minimum

Better Tools

Classes

Getting Fancy

Testing

Graphical User Interfaces

Modules

Appendix

I Guess We're Doing Python Now Exam

Statements and Indentation

Indentation rules