Practice Recursive Functions (9.1.8) - Functions - Data Structures and Algorithms in Python
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Recursive Functions

Practice - Recursive Functions

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a recursive function?

💡 Hint: Think about the definition.

Question 2 Easy

What is the base case in a recursive function?

💡 Hint: It's what prevents endless loops.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is a recursive function?

A function that runs forever
A function that calls itself
A function that cannot return a value

💡 Hint: Consider the behavior of the function.

Question 2

True or False: A base case is necessary to prevent infinite recursion.

True
False

💡 Hint: Think about what happens in recursive scenarios.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Write a recursive function to find the greatest common divisor (GCD) of two numbers using the Euclidean algorithm.

💡 Hint: Think about how you can simplify the problem recursively.

Challenge 2 Hard

Implement a function that prints all permutations of a string recursively.

💡 Hint: Consider how to choose a character and permute the rest.

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Reference links

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