Data Structures for Coding Interviews in Python

Explore proven strategies developed by FAANG engineers to ace coding interviews with a structured approach to data structures in Python. Prep faster with real-world questions.

Beginner

228 Lessons

30h

Certificate of Completion

Explore proven strategies developed by FAANG engineers to ace coding interviews with a structured approach to data structures in Python. Prep faster with real-world questions.

AI-POWERED

Code Feedback

Mock Interview

Explanations

AI-POWERED

Code Feedback

Mock Interview

This course includes

168 Playgrounds

65 Challenges

24 Quizzes

This course includes

168 Playgrounds

65 Challenges

24 Quizzes

Course Overview

Data structures are amongst the most fundamental concepts of Computer Science. The data structure chosen can make or break an entire computer program. Consequently, they are also largely categorized as a vital benchmark of computer science knowledge when it comes to industry interviews. This course contains a detailed review of all the common data structures and provides implementation level details in Python to allow readers to become well equipped. Now with more code solutions, lessons, and illustrations ...Show More

Course Content

Introduction to Complexity Measures

Sharpen your skills in evaluating the time and space complexity of algorithms.

Comparing Algorithms Example: Measuring Time Complexity of For Loop Example: Measuring Time Complexity of a Nested For Loop

Complexity Quiz: Test your understanding of complexity

Introduction to Lists

Unpack the core of lists and arrays in Python, and tackle essential list manipulation challenges.

Lists Arrays

Lists vs Arrays in Python

Challenge: Remove Even Integers From List

Solution: Remove Even Integers From List Challenge: Merge Two Sorted Lists Solution: Merge Two Sorted Lists Challenge: Find Two Numbers That Add Up to K Solution: Find Two Numbers That Add Up to K Challenge: Product of Array Except Self Solution: Product of Array Except Self Challenge: Find Minimum Value in List Solution: Find Minimum Value in List Challenge: First Non-Repeating Integer in a List Solution: First Non-Repeating Integer in a List Challenge: Find Second Maximum Value in a List Solution: Find Second Maximum Value in a List Challenge: Rotate List Solution: Rotate List Challenge: Rearrange Positive & Negative Values Solution: Rearrange Positive & Negative Values Challenge: Rearrange Sorted List in Max/Min Form Solution: Rearrange Sorted List in Max/Min Form Challenge: Maximum Sublist Solution: Maximum Sublist Lists Quiz: Test your understanding of Lists

Introduction to Linked Lists

Examine the fundamentals, operations, and challenges of singly and doubly linked lists.

Singly Linked Lists (SLL)Linked Lists vs. Lists Basic Linked List Operations Singly Linked List Insertion

Singly Linked List Deletion Doubly Linked Lists (DLL)Singly Linked Lists vs. Doubly Linked Lists Challenge: Insertion at Tail Solution: Insertion at Tail Challenge: Search in a Singly Linked List Solution: Search in a Singly Linked List Challenge: Deletion by Value Solution: Deletion by Value Challenge: Find the Length of a Linked List Solution: Find the Length of a Linked List

Challenge: Reverse Linked List Solution: Reverse Linked List Challenge: Linked List Cycle Solution: Linked List Cycle Challenge: Middle of the Linked List Solution: Middle of the Linked List Challenge: Remove Duplicates from a Linked List Solution: Remove Duplicates from a Linked List Challenge: Union and Intersection of Linked Lists Solution: Union and Intersection of Linked Lists Challenge: Return the Nth Node from End Solution: Return the Nth Node from End Challenge: Find If a Doubly Linked List Is a Palindrome Solution: Find If a Doubly Linked List Is a Palindrome Linked Lists Quiz: Test your understanding of Linked Lists

Introduction to Stacks and Queues

Grasp the fundamentals of stacks and queues, their implementations, and practical challenges.

What is a Stack?Stack (Implementation)What is a Queue?Queue (Implementation)

Challenge: Generate Binary Numbers From 1 to n Using a Queue Solution: Generate Binary Numbers From 1 to n Using a Queue Challenge: Implement Two Stacks Using One List Solution: Implement Two Stacks Using One List

Challenge: Reverse First k Elements of Queue Solution: Reverse First k Elements of Queue

Challenge: Implement Queue Using Stacks Solution: Implement Queue Using Stacks Challenge: Sort Values in a Stack Solution: Sort Values in a Stack Challenge: Evaluate Postfix Expression Using a Stack Solution: Evaluate Postfix Expression Using a Stack Challenge: Next Greater Element Using a Stack Solution: Next Greater Element Using a Stack Challenge: Find the Celebrity Solution: Find the Celebrity Challenge: Valid Parentheses Solution: Valid Parentheses Challenge: Min Stack Solution: Min Stack Stack/Queue Quiz: Test your understanding of Stack/Queue

Introduction to Graphs

Dig into graph concepts, representations, algorithms, and their practical applications in coding.

What is a Graph?Types of Graphs Representation of Graphs

Graph Implementation Complexities of Graph Operations What is a Bipartite Graph?Graph Traversal Algorithms Challenge: Implement Breadth-First Search Solution: Implement Breadth-First Search Challenge: Implement Depth-First Search Solution: Implement Depth-First Search Challenge: Detect Cycle in a Directed Graph Solution: Detect Cycle in a Directed Graph Challenge: Find a Mother Vertex in a Directed Graph Solution: Find a Mother Vertex in a Directed Graph Challenge: Count the Number of Edges in an Undirected Graph Solution: Count the Number of Edges in an Undirected Graph Challenge: Check If a Path Exists between Two Vertices Solution: Check If a Path Exists between Two Vertices Challenge: Graph Valid Tree Solution: Graph Valid Tree Challenge: Find the Shortest Path between Two Vertices Solution: Find the Shortest Path between Two Vertices Challenge: Remove Edge from a Directed Graph Solution: Remove Edge from a Directed Graph Graph Quiz: Test your understanding of Graphs

Introduction to Trees

38 Lessons

Focus on trees' structures, properties, and traversal methods, covering binary, AVL, and Red-Black Trees.

Trie

14 Lessons

Build on understanding trie structures, their operations, and solving challenges using them.

Introduction to Heap

12 Lessons

Learn how to use heaps for efficient sorting, priority queues, and element retrieval.

Introduction to Hashing

33 Lessons

Walk through hash table fundamentals, efficient operations, implementation strategies, and algorithmic challenges.

10.

Summary of Data Structures

2 Lessons

Examine linear and non-linear data structures, their complexities, and practical applications.

Course Author

Part of the Java Interview Prep Path

Ace the Python Coding Interview

Stand out from the crowd. Cover everything you need to know to crack your coding interviews in Python.

7 Modules

Trusted by 1.4 million developers working at companies

Anthony Walker

@_webarchitect_

Emma Bostian 🐞

@EmmaBostian

Evan Dunbar

ML Engineer

Carlos Matias La Borde

Software Developer

Souvik Kundu

Front-end Developer

Vinay Krishnaiah

Software Developer

Eric Downs

Musician/Entrepeneur

Kenan Eyvazov

DevOps Engineer

Anthony Walker

@_webarchitect_

Emma Bostian 🐞

@EmmaBostian

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!