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Python Data Structures And Algorithms: Visual DSA + LeetCode
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Python Data Structures And Algorithms: Visual DSA + LeetCode

Master Python DSA with Step-by-Step Animations, Hands-On Coding, Big O Analysis and LeetCode Interview Practice
Last updated 10/2026
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What you'll learn

  • Understand Python Data Structures and Algorithms (DSA) through visual animations, clear explanations, and practical examples.
  • Implement arrays, linked lists, stacks, queues, hash tables, trees, heaps, and graphs using Python.
  • Analyze algorithm efficiency using Big O notation, including time complexity, space complexity, and common performance trade-offs.
  • Understand essential algorithms, including searching, sorting, recursion, tree traversal, BFS, and DFS.
  • Solve LeetCode problems using Python and develop systematic approaches to coding interview challenges.
  • Choose appropriate data structures, compare algorithmic solutions, and explain your reasoning during technical interviews.
  • Strengthen your Python programming skills through hands-on coding exercises, quizzes, and guided problem-solving.
  • Build confidence in algorithmic thinking by connecting visual concepts to real Python implementations.

Coding Exercises

This course includes our updated coding exercises so you can practice your skills as you learn.

See a demo
Image of coding exercise example

Course content

14 sections • 180 lectures • 18h 8m total length
  • What Is an Algorithm?2:23
  • What Is Big O?2:20
  • Time vs. Space Complexity2:33
  • O(1) — Constant Time2:26
  • O(n) — Linear Time2:57
  • O(log n) — Logarithmic Time4:03
  • O(n log n) — Linearithmic Time3:41
  • O(n²) — Quadratic Time4:04
  • O(2ⁿ) — Exponential Time4:19
  • Best, Average, and Worst Case4:11
  • Dropping Constants3:43
  • Dropping Non-Dominant Terms3:58
  • Big O with Multiple Inputs4:15
  • Big O Cheat Sheet & Review4:05
  • Big O & Complexity Quiz
  • Linear Search — O(n) Time Complexity

Requirements

  • Basic familiarity with Python programming, including variables, loops, functions, and lists, is recommended.
  • No previous knowledge of data structures or algorithms is required. The course introduces DSA concepts step by step.
  • A computer with Python installed is recommended for following coding examples and completing practice exercises.

Description

Master Python Data Structures & Algorithms Through Visual Learning

Data Structures and Algorithms are fundamental to writing efficient code and solving programming problems, but understanding how they work can be difficult when you're only looking at lines of code.

This course takes a different approach.

You'll learn DSA through custom-built visual animations that show you exactly what's happening behind the scenes, followed by step-by-step Python implementations that bring each concept to life.

From understanding how arrays, linked lists, and hash tables work to exploring trees, graphs, and algorithm efficiency, you'll build the knowledge and practical skills to solve programming problems with greater confidence.

You'll also put your knowledge to the test through coding exercises, quizzes, and LeetCode challenges.

Learn Data Structures & Algorithms By Seeing Them In Action

Instead of jumping straight into complicated code, you'll first see how each data structure and algorithm works.

Custom animations break down complex operations into individual steps, making it easier to understand how data is organized, accessed, modified, and processed.

You'll then connect those visual explanations to actual Python code, learning how to implement each concept and apply it to practical programming problems.

The goal isn't simply to teach you how to reproduce an algorithm. It's to help you understand the logic behind it so you can apply that knowledge to problems you haven't encountered before.

What You'll Learn:

  1. Big O Notation & Algorithm Analysis

    Understand time and space complexity, evaluate algorithm performance, and compare different approaches to solving the same problem.

  2. Arrays & Linked Lists

    Learn how arrays and linked lists work, including nodes, pointers, traversal, insertion, deletion, and common operations.

  3. Stacks & Queues

    Understand LIFO and FIFO principles, implement their core operations, and explore practical applications.

  4. Hash Tables & Python Dictionaries

    Learn how hashing works, how key-value pairs are stored, and how dictionaries and sets enable efficient data access.

  5. Trees & Heaps

    Explore hierarchical data structures, tree traversal techniques, heap operations, and priority queues.

  6. Graphs & Graph Algorithms

    Understand graph representations and learn fundamental traversal algorithms, including Breadth-First Search (BFS) and Depth-First Search (DFS).

  7. LeetCode & Coding Interview Practice

    Apply your knowledge to coding challenges, develop structured problem-solving approaches, and evaluate the efficiency of your solutions.

What Makes This Course Different?

  • Visual Animations: See how data structures and algorithms work internally instead of relying on abstract explanations.

  • Practical Python Coding: Follow step-by-step implementations and understand the logic behind the code.

  • Hands-On Exercises: Reinforce what you've learned by working through practical programming activities.

  • LeetCode Challenges: Put your knowledge into practice with problems similar to those encountered in technical interviews.

  • Algorithm Analysis: Learn to evaluate performance using Big O notation and understand the trade-offs between different solutions.

  • Quizzes: Test your understanding and reinforce important concepts throughout the course.

Stop Memorizing. Start Understanding.

Data Structures and Algorithms become much easier to work with when you understand what's happening behind the code.

Learn through visual animations, build your skills with practical Python implementations, and put your knowledge to work through coding challenges.

Join VertexClass and build a stronger foundation in Python Data Structures and Algorithms.

VertexClass | Learn. Build. Solve.

Who this course is for:

  • Python beginners who understand basic syntax and want to start learning Data Structures and Algorithms.
  • Computer science students looking for visual, step-by-step explanations of fundamental DSA concepts.
  • Aspiring software engineers preparing for coding interviews, technical assessments, and LeetCode challenges.
  • Self-taught programmers who want to improve algorithmic thinking, problem-solving, and Python coding skills.
  • Developers who want to refresh essential data structures, understand Big O complexity, and write more efficient code.