Learn Python 3 from Scratch

Course Overview

Learn Python 3 for free with this interactive course, and get a handle on the most popular programming language in the world. Join us on an interactive journey through the syntax and functionality of Python. The course begins by exploring the basic building blocks before moving on to ... See More

How You'll Learn

Hands-on coding environments

You don’t get better at swimming by watching others. Coding is no different. Practice as you learn with live code environments inside your browser.

Faster than videos

Videos are holding you back. The average video tutorial is spoken at 150 words per minute, while you can read at 250. That‘s why our courses are text-based.

No set-up required

Start learning immediately instead of fiddling with SDKs and IDEs. It‘s all on the cloud.

Progress you can show

Built in assessments let you test your skills. Completion certificates let you show them off.

Hands-on coding environments

You don’t get better at swimming by watching others. Coding is no different. Practice as you learn with live code environments inside your browser.

Faster than videos

Videos are holding you back. The average video tutorial is spoken at 150 words per minute, while you can read at 250. That‘s why our courses are text-based.

No set-up required

Start learning immediately instead of fiddling with SDKs and IDEs. It‘s all on the cloud.

Progress you can show

Built in assessments let you test your skills. Completion certificates let you show them off.

Course Contents

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Show All Lessons

1. Introduction

What is Python?

Writing Our First Code

Quiz

2. Data Types and Variables

What are Data Types and Variables?

Numbers

Booleans

Strings

The None Keyword

String Slicing

String Formatting

Operators

Arithmetic Operators

Comparison Operators

Assignment Operators

Logical Operators

Bitwise Operators

String Operations

Grouping Values

Quiz

Exercise: Gravitational Force

Solution Review: Gravitational Force

3. Conditional Statements

What are Conditional Statements?

The if Statement

The if-else Statement

The if-elif-else Statement

Quiz

Exercise: Discounted Price

Solution Review: Discounted Price

4. Functions

What are Functions?

Function Creation

Function Scope

Built-In String Functions

Type Conversions

Input From the User

Lambdas

Functions as Arguments

Recursion

Quiz

Exercise: Repetition and Concatenation

Solution Review: Repetition and Concatenation

Exercise: The Factorial!

Solution Review: The Factorial!

5. Loops

What are Loops?

The for Loop

Nested for Loops

The break and continue Keyword

The while Loop

Quiz

Exercise: Balanced Brackets

Solution Review: Balanced Brackets

Exercise: A Sum of Zero

Solution Review: A Sum of Zero

Exercise: Fibonacci Series

Solution Review: Fibonacci Series

Course Assessment

Python Exam I

7. Data Structures

What are Data Structures?

Lists

Common List Operations

List Comprehension

Tuples

Dictionaries

Dictionary Operations

Sets

Set Theory Operations

Data Structure Conversions

Quiz

Exercise: From List to Tuple

Solution Review: From List to Tuple

Exercise: Kth Maximum Integer in a List

Solution Review: Kth Maximum Integer in a List

Exercise: Highs and Lows

Solution Review: Highs and Lows

8. Libraries

What is the Python Standard Library?

Popular Modules

PyPI

Conclusion

9. Appendix

Python IDEs

Installing Python: Linux

Installing Python: Windows

Installing Python: macOS

Executing Python Code

Course Assessment

Python Exam II