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Data Structures and Algorithms in Python

Discover data structures and algorithms using Python. Gain insights into solving real-world problems and typical interview questions with detailed reviews, explanations, and hands-on coding exercises.

Intermediate

88 Lessons

19h

Certificate of Completion

AI-POWERED

Explanations

AI-POWERED

Explanations

This course includes

91 Playgrounds

14 Challenges

8 Quizzes

Course Overview

Course Content

Recommendations

Course Overview

Data structures and algorithms are among the most fundamental concepts of Computer Science. Whether it’s real-world problems you’re trying to solve or the typical coding question asked in an interview, almost every problem requires you to demonstrate a deep understanding of data structures and algorithms. This course is a detailed review of some of the most common data structures and algorithms that you’ll see in interviews and your everyday work. With implementation details, thorough explanations, and ha...Show More

Data structures and algorithms are among the most fundamental concepts of Computer Science. Whether it’s real-world problems you...Show More

TAKEAWAY SKILLS

Python

Programming Language

Data Structures

Algorithms

Course Content

Introduction

1 Lessons

Get familiar with data structures, algorithms, and fundamental Python problem-solving techniques.

What is this course about?

Stack

6 Lessons

Get started with stacks in Python for LIFO operations, reversing strings, and decimal to binary conversion.

Stack

Determine if Brackets are Balanced

Reverse String

Exercise: Convert Decimal Integer to Binary

Solution Review: Convert Decimal Integer to Binary

Quiz

Singly Linked Lists

18 Lessons

Examine singly linked lists, including creation, insertion, deletion, swaps, and more.

Merge Two Sorted Linked Lists

Exercise: Move Tail to Head

Solution Review: Move Tail to Head

Exercise: Sum Two Linked Lists

Solution Review: Sum Two Linked Lists

Quiz

Circular Linked Lists

7 Lessons

Find out about circular linked lists, their operations, and applications in Python.

Introduction and Insertion

Remove Node

Split Linked List into Two Halves

Josephus Problem

Exercise: Is Circular Linked List

Solution Review: Is Circular Linked List

Quiz

Doubly Linked Lists

9 Lessons

Solve problems in doubly linked lists involving appending, prepending, deleting, reversing, and finding sums.

Append and Prepend

Add Node Before/After

Delete Node

Reverse

Exercise: Remove Duplicates

Solution Review: Remove Duplicates

Exercise: Pairs with Sums

Solution Review: Pairs with Sums

Quiz

Arrays

7 Lessons

Focus on array manipulation, algorithms for optimal task assignment, intersection, and stock trading.

Array Advance Game

Arbitrary Precision Increment

Two Sum Problem

Optimal Task Assignment

Intersection of Two Sorted Arrays

Exercise: Buy and Sell Stock

Solution Review: Buy and Sell Stock

Binary Trees

8 Lessons

Piece together the parts of binary tree structures, traversal methods, height, and size calculations.

Introduction

Traversal Algorithms

Level-Order Traversal

Reverse Level-Order Traversal

Calculating the Height of a Binary Tree

Exercise: Calculating the Size of a Tree

Solution Review: Calculating the Size of a Tree

Quiz

Binary Search Trees

4 Lessons

Learn how to use binary search trees for organizing, inserting, and validating nodes.

Introduction - Insertion and Search

Exercise: Checking the BST property

Solution Review: Checking the BST property

Quiz

Binary Search

11 Lessons

Walk through binary search applications, enhancing efficiency for sorted lists in Python.

Binary Search

Find the Closest Number

Find Fixed Number

Find Bitonic Peak

Find First Entry in List with Duplicates

Python's Bisect Method

Exercise: Integer Square Root

Solution Review: Integer Square Root

Exercise: Cyclically Shifted Array

Solution Review: Cyclically Shifted Array

Quiz

10.

Recursion

6 Lessons

Work your way through recursive algorithms for string manipulation and integer multiplication.

Find Uppercase Letter in String

Calculate String Length

Count Consonants in String

Exercise: Product of Two Positive Integers

Solution Review: Product of Two Positive Integers

Quiz

11.

String Processing

11 Lessons

Grasp the fundamentals of Python string processing through sequences, conversions, and permutation checks.

Look-and-Say Sequence

Spreadsheet Encoding

Is Palindrome

Is Anagram

Is Palindrome Permutation

Check Permutation

Exercise: Is Unique

Solution Review: Is Unique

Integer to String

Exercise: String to Integer

Solution Review: String to Integer

Course Author

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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

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Explain with AI

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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!

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