Python Data Structures & Algorithms + LEETCODE Exercises (Udemy.com)
DSA + LEETCODE for Coding Interviews — Clear, Step-by-Step Animated Walkthroughs!
Created by: Scott Barrett
Last updated April 2026
What you will learn
- Solve 100+ coding exercises to ace DSA interviews with confidence.
- Think like a pro coder to tackle complex problems efficiently.
- Master data structures—linked lists, trees, heaps, graphs—for practical use.
- Learn algorithms—sorting, recursion, dynamic programming—with clarity.
- Analyze time and space complexity to optimize your coding solutions.
- Grasp DSA concepts faster with animated examples for deeper insight.
- Apply DSA to solve LeetCode challenges and practical coding problems.
- Boost your developer skills to excel in technical interviews confidently.
Quality Score
No CourseDuck member has rated this course yet. Taken it? Give each part a thumbs up or down.
Overall Score : 94 / 100
Course Description
Welcome to Data Structures & Algorithms in Python
This course makes learning to code fun and makes hard concepts easy to understand.
How did I do this? By using animations!
Animating the Data Structures & Algorithms makes everything more visually engaging and allows students to learn more material - in less time - with higher retention (a pretty good combination).
I will use these visuals to guide you, step-by-step, through the entire course.
The course also includes dozens-and-dozens of Coding Exercises. So you can immediately put everything into practice as soon as you learn it (a very important step).
All of this will help you to feel more confident and prepared when you walk into a coding interview.
I have made several Free Sample Videos available for the course so you can see the difference the animations make.
Also, I am very active on the Q&A, so I will be with you every_step_of _the_way.
_____________________________
What you will get in this course…
Over 100 hand-crafted animated HD videos to illustrate the Data Structures & Algorithms.
Here are the topics we will cover:
Technical
Big O notation
Data Structures
Lists
Linked Lists
Doubly Linked Lists
Stacks & Queues
Binary Trees
Hash Tables
Heaps
Graphs
Heaps
Algorithms
Dynamic Programming
Sorting
Bubble Sort
Selection Sort
Insertion Sort
Merge Sort
Quick Sort
Searching
Breadth First Search
Depth First Search
Don't just take my word for it though, check out what existing students have to say about my courses:
5-Star Review:
"In order to describe this course accurately, we need the definition of the word Beautiful. beau·ti·ful: adjective 1.- pleasing the senses or mind aesthetically. 2.- of a very high standard; excellent." - Josue Hernandez Amezcua5-Star Review:
"The best course on DSA on Udemy" - Enlai Li5-Star Review:
"One of the best courses on DSA. The animations do make a huge impact. All the points are explained in detail. The only problem is that I can't give it more than a 5-star rating." - Nikita Sarkar5-Star Review:
"Amazing Course. My words cannot describe how much animations helped me to understand the concepts. 100% Recommended." - Simarjeet Singh5-Star Review:
Being a visual learner this is BY FAR the BEST course ever. The way the instructor presents this topic makes it so easy to understand." - Eduardo SN5-Star Review:
"The animations were really helpful for an easy understanding, but the best thing about this course for me is that it will not waste your time! It is perfectly optimized, covers the important topics that I wanted, and at the same time perfectly clear. Thank you so much." - Fatemeh Moghaddam5-Star Review:
"This course is very well done! ... the animations in each video take the explanation and understanding of the material to a new level." - Luis Felipe Posada5-Star Review:
"This course has seriously been amazing. The animations have worked wonders for my understanding and I have made significant progress from the beginning of the course until now." - Dakota Fabro5-Star Review:
"I can follow as a beginner, amazing." - Sabrina Fung5-Star Review:
"This is the best course I have ever seen" - Luong Viet Tri
REMEMBER… I'm so confident that you'll love this course that we're offering a FULL money-back guarantee for 30 days! So it's a complete no-brainer, sign up today with ZERO risk and EVERYTHING to gain.
So what are you waiting for? Click the "Buy now" button and join the best Python Data Structures & Algorithms course on Udemy.
I look forward to seeing you in the course.
Now let's get started! :-)
Instructor Details
- 4.7 Rating
17,425 Reviews
Scott Barrett
Hello, I'm Scott, a developer with a passion for teaching.
I've helped Hundreds of Thousands of students learn to code and change their lives by becoming developers.
My courses make learning to code fun and make hard concepts easy to understand.
How do I do this? By using animations!
Animating the code and the concepts makes everything more visually engaging which allows students to learn more material - in less time - with higher retention (a pretty good combination).
I will use these visuals to guide you, step-by-step, through the entire course.
My courses also include dozens-and-dozens of Coding Exercises. So you can immediately put everything into practice as soon as you learn it (a very important step).
I have made several Free Sample Videos available for each course so you can see the difference the animations make.
Also, I am very active on the Q&A, so I will be with you every_step_of _the_way.
I look forward to seeing you in the course.
Let's get started! :-)
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Reviews
By Abdalnassir Ghzawi on 8/27/2026
Absolute game-changer for anyone terrified of technical interviews. Before taking this course, pointers, memory management, and abstract data structures felt like a foreign language written in hieroglyphics. The instructor has a rare gift for breaking down complex concepts like pointer manipulation in doubly linked lists or recursive tree traversals into crystal-clear, visual steps that actually stick. What sets this apart from endless textbook reading is the immediate focus on how and why things work under the hood rather than just memorizing syntax. If you are trying to land a software engineering role or finally want to master computer science fundamentals without losing your mind, this is the blueprint. Worth every single penny.
By César Federico Palencia Gutiérrez on 8/21/2026
I think that it could contain more information on how to apply the different data structures, search and sorting algorithms to specific types of problems. It gets to feel like on one side we're learning about DS, search and sorting and on the other we're addressing specific problems without a clear link on how these topics connect.
By Pratap Kumar on 8/2/2026
Content - 5 Visualisation - 5 Only complaint I have is about the coding exercise. The UX is poor. Also, when we run the tests, there is noting much to debug on failures. It just pops as failed. No test input details, no debug statements nothing... Feels frustrating to figure out what went wrong. More often than not, the code is close to perfect, except for edge case handling and end up checking on working part of the code....
By SHEEL on 6/23/2026
It is an amazing course, this course was suggested to me by a friend. It teaches you concepts in a very understanding way. But the key to learn problem solving is that "Do practise as much you can!"
By Pedro Sánchez Vázquez on 6/13/2026
The clarity of explanations and didactic capabilities of the instructor are espectacular. All the curriculum is well structured, the explanations are cristal clear and the visual representations help a lot in learning. You are getting an amazing data structures course on top of learning python.
By Tanmay Chaudhary on 5/28/2026
The explanation is the best, exactly what I was looking for on the internet for past 1 year. The explanations are clear and beginner-friendly, with good visuals and coding demonstrations that make topics like Linked Lists, Trees, Graphs, Recursion, and Sorting easier to understand. I also liked the practice exercises and LeetCode-style problems because they helped me apply concepts through coding rather than just learning theory. While the course does not go very deep into advanced algorithm analysis, it provides strong fundamentals and is a great starting point for anyone learning DSA or preparing to solve coding problems in Python. I would definitely recommend to under-grads' and even post-grads'.
By Jose Luis Iturbide Lopez on 5/20/2026
In general is good. The solution of some exercises is not the optimal, for example the "array rotation". It says in place but that solution only works in python. I would like to see the input data of some tests due to I was getting errors and I didn't know what was the used test data to figure out my error in an external IDE.
By Steven Wallace on 2/16/2026
The content is detailed and explained well in the lecture videos. In my opinion the coding challenges are great and build you up well for implementing algorithms with Python along with variations to those algorithms.
By Avinash Negi on 2/3/2026
I am loving it, it easy to understand using graphic interface. i prevously purchased abdul bhari DSA course but it was hard to follow on board. but i like how it simply things using amaing UI and graphics. i love this code have AI roleplay like chatgpt to ask questions and coding exercise after each end of section. i rate it 4.9 out of 5 so far. New-update: so far i have learned Linked list, Doubly linked list , Stacks & Queses , Trees / Binary Search Tree. so far it seems easy to me to understand basic core concepts only promblem is i am still bad at leetcode exercises.
By Rufus Tsai on 2/3/2026
Visualization really makes understanding a lot easier! In addition, he slowed down the speaking speed makes non-English native speaker like me easier to catch the concepts without repeating. Thanks for the nice lectures!







