Explore

EXPLORE THE CATALOGSupercharge your career with 700+ hands-on courses

View All Courses

Python

Java

JavaScript

C

React

Docker

Vue JS

R

Web Dev

DevOps

AWS

C#

LEARNING TOOLSExplore the industry's most complete learning platform

CoursesLevel up your skills

Cloud LabsSetup-free practice with Cloud Services

Skill PathsAchieve learning goals

ProjectsBuild real-world applications

AssessmentsBenchmark your skills

Personalized PathsGet the right resources for your goals

LEARN TO CODE

Check out our beginner friendly courses.

Pricing

For Business

Resources

BlogFor developers, By developers

CheatsheetsDownload handy guides for tech topics

WebinarsSessions with our global developer community

AnswersTrusted answers to developer questions

Search⌘ K

Join for free

Home>Courses>Recursion for Coding Interviews in Python

Recursion for Coding Interviews in Python

This course covers the topic of recursion in programming and prepares you to ace any technical interview that has recursion based problems.

Intermediate

58 Lessons

7h

Certificate of Completion

This course covers the topic of recursion in programming and prepares you to ace any technical interview that has recursion based problems.

AI-POWERED

Mock Interview

Explanations

AI-POWERED

Mock Interview

Explanations

This course includes

37 Playgrounds

15 Challenges

6 Quizzes

Course Overview

Course Content

Recommendations

Course Overview

If you’ve ever struggled with solving coding problems using recursion, or if you need to brush up your recursion skills for an interview, this course is for you! We will start with the basics of recursion before we practice solving actual coding problems. You’ll have access to detailed explanations and visualizations for each problem to help you along the way. By the time you have completed this course, you’ll be able to use all the concepts of recursion to solve complex, real-world problems. We hope that ...Show More

If you’ve ever struggled with solving coding problems using recursion, or if you need to brush up your recursion skills for an interview, this course is for you! We will start with the basics of recursion before we practice solving actual coding problems. ...Show More

Course Content

1.

Recursion Fundamentals

7 Lessons

Get familiar with recursion, memory usage, direct vs. indirect calls, and recursive problem-solving.

Who Should Take This Course?

What is Recursion?

Recursion and Memory Visualization

Direct Vs. Indirect Recursion

When to Use Recursion?

Understanding a Recursive Problem

Test Your Knowledge 1

2.

Iteration Vs. Recursion

11 Lessons

Walk through iteration vs recursion, conversion techniques, and practical challenges in coding.

Overview of Iterative Functions

Differences Between Iterative and Recursive Functions

Converting Iterative Code to Recursive Code

Count Vowels in a String

Challenge 1: Compute Square of a Number

Solution Review: Compute the Square of a Number

Challenge 2: Search First Occurrence of a Number

Solution Review: Search First Occurrence of a Number

Challenge 3: Corresponding Fibonacci Number

Solution Review: Corresponding Fibonacci Number

Test Your Knowledge 2

3.

Recursion with Numbers

10 Lessons

Break apart key recursion concepts, solving numbers and challenges like GCD, Pascal's Triangle, and conversions.

The Power of a Number

Sum of Integers from 1 to n

Challenge 1: Find the Greatest Common Divisor

Solution Review: Find the Greatest Common Divisor

Challenge 2: Pascal's Triangle

Solution Review: Pascal's Triangle

Challenge 3: Convert Decimal Number to Binary Number

Solution Review: Convert Decimal Number to Binary Number

Test Your Knowledge 3

4.

Recursion with Strings

10 Lessons

Break down complex ideas using recursion to manipulate and analyze strings.

Remove Tabs in a String

Remove All Adjacent Duplicates from a String

Merge Two Sorted Strings Lexicographically

Challenge 1: Length of a String

Solution Review: Length of a String

Challenge 2: Sum of Digits in a String

Solution Review: Sum of Digits in a String

Challenge 3: Check for a Palindrome

Solution Review: Check for a Palindrome

Test Your Knowledge 4

5.

Recursion with Arrays

10 Lessons

Take a closer look at recursive solutions for arrays in counting, inverting, replacing, and sorting tasks.

Count All Occurrences of a Number

Invert an Array

Replace All Negative Numbers with Zero

Challenge 1: Average of Numbers

Solution Review: Average of Numbers

Challenge 2: Balance Parenthesis

Solution Review: Balance Parenthesis

Challenge 3: Sort an Array

Solution Review: Sort an Array

Test Your Knowledge 5

6.

Recursion with Data Structures

9 Lessons

Explore recursion in reversing linked lists, depth-first traversal, and stack and graph manipulations.

Reverse Linked List

Depth First Traversal of Graph

Challenge 1: Length of a Linked List

Solution Review: Length of a Linked List

Challenge 2: Reverse a Stack

Solution Review: Reverse a Stack

Challenge 3: Topological Sorting of a Graph

Solution Review 3: Topological Sorting of a Graph

Test Your Knowledge 6

7.

Conclusion

1 Lessons

Learn how to improve problem-solving through recursion and practice across languages.

More on Recursion

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!

Recommended before starting this course

Course

Google Cloud: AI Speech-to-Text with Python 3

Google Cloud: AI Speech-to-Text with Python 3

intermediate

Course

Matplotlib for Python: Visually Represent Data with Plots

Matplotlib for Python: Visually Represent Data with Plots

intermediate

Course

Python for Scientists and Engineers

Python for Scientists and Engineers

intermediate

Google Cloud: AI Speech-to-Text with Python 3

Matplotlib for Python: Visually Represent Data with Plots

Python for Scientists and Engineers

Related Courses and Skill Paths

Course

Algorithms for Coding Interviews in Python

Algorithms for Coding Interviews in Python

Your ultimate guide to algorithms for coding interviews. Master several must-know algorithms, and test your skills with real-world problems from top companies.

intermediate

Course

Recursion for Coding Interviews in JavaScript

Recursion for Coding Interviews in JavaScript

Master recursion in JavaScript to solve problems and excel in coding interviews with practical exercises and visualizations.

intermediate

Course

Python Quickstart for Experienced Programmers

Python Quickstart for Experienced Programmers

This course provides a quick Python overview. It is for experienced programmers looking for key Python essentials to get productive quickly.

intermediate

Course

Recursion for Coding Interviews in Java

Recursion for Coding Interviews in Java

Master recursion in Java for coding interviews, enhance problem-solving skills, and tackle real-world challenges confidently.

intermediate

Algorithms for Coding Interviews in Python

Recursion for Coding Interviews in JavaScript

Python Quickstart for Experienced Programmers

Recursion for Coding Interviews in Java

Free Resources

Frequently Asked Questions

What is recursion in Python, and how is it used in coding interviews?

Recursion in Python involves a function calling to solve smaller instances of the same problem. It is often used in coding interviews to test problem-solving skills.

Why is recursion important for coding interviews?

Recursion tests your ability to break down complex problems and use algorithms, skills important for technical interviews.

How do I prepare for recursion questions in Python coding interviews?

Practice problems like factorials, Fibonacci, and tree traversals using recursion in Python to enhance your understanding.

Is recursion commonly used in Python technical interviews?

Yes, recursion is often featured in Python interviews, especially in problems involving data structures like trees and graphs.

Should I use recursion or iteration in Python interviews?

While recursion is powerful, depending on the problem’s efficiency and complexity, interviewers may expect both recursion and iterative solutions.

Learn in-demand tech skills in half the time

Copyright ©2024 Educative, Inc. All rights reserved.

soc2