Home>Courses>Python 3: An interactive deep dive

Python 3: An interactive deep dive

Gain insights into Python 3's new syntax, data types, strings, bytes, and iterators through interactive coding samples. Upgrade your Python skills with hands-on, real-time code modifications.

Beginner

135 Lessons

Certificate of Completion

Gain insights into Python 3's new syntax, data types, strings, bytes, and iterators through interactive coding samples. Upgrade your Python skills with hands-on, real-time code modifications.

AI-POWERED

Explanations

AI-POWERED

Explanations

This course includes

200 Playgrounds

Course Overview

Course Content

Apply Your Skills

Course Overview

Are you ready to take the plunge into Python 3? You might be just getting started with Python or you might be someone who understands Python2 and now wants to upgrade to Python 3. This course is designed to help you achieve your goal faster. Learn about the new syntax, data types, strings, bytes, iterators and much more with interactive coding samples. Execute code using interactive playgrounds, modify the code to see your changes in action and get yourself upgraded to the newest version of Python that is ...Show More

Are you ready to take the plunge into Python 3? You might be just getting started with Python or you might be someone who unders...Show More

Course Content

Your First Python Program

11 Lessons

Step through defining functions, managing imports, handling exceptions, and understanding Python's object-oriented approach.

Diving In

Declaring Functions

Writing Readable Code

The import Search Path

Everything Is An Object

Indenting Code

Exceptions

Unbound Variables

Everything is Case-Sensitive

Running Scripts

Further Reading

Native Datatypes

9 Lessons

Unpack the core of Python's native datatypes: Booleans, numbers, lists, tuples, sets, and dictionaries.

Comprehensions

6 Lessons

Examine list, dictionary, and set comprehensions and their power in efficient coding.

Diving In

Working With Files And Directories

List Comprehensions

Dictionary Comprehensions

Set Comprehensions

Further Reading

Strings

8 Lessons

Enhance your skills in Python string manipulation, encoding, and formatting techniques.

Some Boring Stuff You Need To Understand Before You Can Dive In

Unicode

Diving In

Formatting Strings

Other Common String Methods

Strings vs. Bytes

Postscript: Character Encoding Of Python Source Code

Further Reading

Regular Expressions

7 Lessons

Solve problems in text manipulation through Python regular expressions and various use cases.

Diving In

Case Study: Street Addresses

Case Study: Roman Numerals

Using The {n,m} Syntax

Verbose Regular Expressions

Case study: Parsing Phone Numbers

Summary

Closures & Generators

7 Lessons

Follow the process of creating pluralization functions, optimizing with generators and closures in Python.

Diving In

I Know, Let’s Use Regular Expressions!

Classes & Iterators

7 Lessons

Master the steps to create and utilize classes, iterators, and generators in Python 3.

Diving In

Defining Classes

Instantiating Classes

Instance Variables

A Fibonacci Iterator

A Plural Rule Iterator

Further Reading

Advanced Iterators

11 Lessons

Get familiar with using itertools to solve alphametic puzzles and string manipulations.

Diving In

Finding all occurrences of a pattern

Finding the unique items in a sequence

Making Assertions

Generator expressions

Calculating Permutations… The Lazy Way!

Other Fun Stuff in the itertools Module

A New Kind Of String Manipulation

Evaluating Arbitrary Strings As Python Expressions

Putting It All Together

Further Reading

Unit Testing

7 Lessons

Unpack the core of unit testing in Python, improving code discipline and reliability.

(Not) Diving In

A Single Question

“Halt And Catch Fire”

More Halting, More Fire

And One More Thing…

A Pleasing Symmetry

More Bad Input

10.

Refactoring

4 Lessons

Master the steps to identify bugs, handle changing requirements, and refactor code effectively.

Diving In

Handling Changing Requirements

Refactoring

Summary

11.

Files

7 Lessons

Discover handling text, binary files, streams, and standard I/O in Python.

Diving In

Reading From Text Files

Writing to Text Files

Binary Files

Stream Objects From Non-File Sources

Standard Input, Output, and Error

Further Reading

12.

XML

9 Lessons

Take a closer look at XML data structures, parsing techniques, and advanced querying with ElementTree and lxml.

Diving In

A 5-Minute Crash Course in XML

The Structure Of An Atom Feed

Parsing XML

Searching For Nodes Within An XML Document

Going Further With lxml

Generating XML

Parsing Broken XM

Further Reading

13.

Serializing Python Objects

12 Lessons

See how it works to serialize Python objects using pickle and JSON for data persistence.

Diving In

Saving Data to a Pickle File

Loading Data from a Pickle File

Pickling Without a File

Bytes and Strings Rear Their Ugly Heads Again

Debugging Pickle Files

Serializing Python Objects to be Read by Other Languages

Saving Data to a JSON File

Mapping of Python Datatypes to JSON

Serializing Datatypes Unsupported by JSON

Loading Data from a JSON File

Further Reading

14.

HTTP Web Services

8 Lessons

Practice using Python's libraries, like httplib2, for efficient HTTP web service interactions.

Diving In

Features of HTTP

How Not To Fetch Data Over HTTP

15.

Case Study: Porting chardet to Python 3

7 Lessons

Step through porting chardet to Python 3, handling encoding, 2to3 utility, and manual fixes.

Diving In

What is Character Encoding Auto-Detection?

Introducing The chardet Module

Running 2to3

A Short Digression Into Multi-File Modules

Fixing What 2to3 Can’t

Summary

16.

Packaging Python Libraries

12 Lessons

Get started with packaging Python libraries using Distutils, file structuring, and PyPI.

Diving In

Things Distutils Can’t Do For You

Directory Structure

Writing Your Setup Script

Classifying Your Package

Specifying Additional Files With A Manifest

Checking Your Setup Script for Errors

Creating a Source Distribution

Creating a Graphical Installer

Adding Your Software to The Python Package Index

The Many Possible Futures of Python Packaging

Further Reading

17.

Appendix : Where To Go From Here

3 Lessons

Examine resources and platforms for Python 3 learning and exploration.

Things to Read

Where To Look For Python 3-Compatible Code

License

Project

User Feedback for Your Website with Web 3.0

advanced

1 hour

Project

User Feedback for Your Website with Web 3.0

Learn to build a decentralized e-library application using Web3.py, Solidity, Flask, and React for decentralized user feedback integration.

advanced

Project

Mint Your Own NFT

Learn to develop and deploy NFTs using Brownie, Solidity, and ERC721 contracts on the Sepolia testnet and mint and view them on OpenSea testnet.

advanced

1 hour

Trusted by 2.5 million developers working at companies

"These are high-quality courses. Trust me. I own around 10 and the price is worth it for the content quality. EducativeInc came at the right time in my career. I'm understanding topics better than with any book or online video tutorial I've done. Truly made for developers. Thanks"

Anthony Walker

@_webarchitect_

"Just finished my first full #ML course: Machine learning for Software Engineers from Educative, Inc. ... Highly recommend!"

Evan Dunbar

ML Engineer

"You guys are the gold standard of crash-courses... Narrow enough that it doesn't need years of study or a full blown book to get the gist, but broad enough that an afternoon of Googling doesn't cut it."

Carlos Matias La Borde

Software Developer

"I spend my days and nights on Educative. It is indispensable. It is such a unique and reader-friendly site"

Souvik Kundu

Front-end Developer

"Your courses are simply awesome, the depth they go into and the breadth of coverage is so good that I don't have to refer to 10 different websites looking for interview topics and content."

Vinay Krishnaiah

Software Developer

"I've tried probably 5-7 different sites and Educative is easily the best. It perfectly blends explanation with interactivity"

Eric Downs

Musician/Entrepeneur

Hands-on Learning Powered by AI

See how Educative uses AI to make your learning more immersive than ever before.

Instant Code Feedback

Evaluate and debug your code with the click of a button. Get real-time feedback on test cases, including time and space complexity of your solutions.

AI-Powered Mock Interviews

Put your skills to the test in a simulated interview setting. Receive personalized feedback based on your performance. Available in Premium & Premium Plus plans.

Adaptive Learning

At various checkpoints throughout Educative courses, you will be prompted to take a quick assessment. Receive a condensed curriculum tailored to your strengths and skill gaps.

Explain with AI

Select any text within any Educative course, and get an instant explanation — without ever leaving your browser.

AI Code Mentor

AI Code Mentor helps you quickly identify errors in your code, learn from your mistakes, and nudge you in the right direction — just like a 1:1 tutor!

Free Resources

FOR TEAMS

Interested in this course for your business or team?

Unlock this course (and 1,000+ more) for your entire org with DevPath