Data Structures and Algorithms The Complete Masterclass - What is Recursion?

The video tutorial introduces the concept of recursion, emphasizing its definition as a function that calls itself. It highlights the importance of a base case to prevent infinite loops. An example using a 'Hello World' function demonstrates recursion, showing how it can lead to infinite loops without a base case. The tutorial explains Python's default recursion limit and how to implement a base case to control recursion. The video concludes with a recap of key points, stressing the necessity of defining a base case in recursive functions.

What is recursion in programming?

How does a recursive function call itself?

Can you explain the concept of an infinite loop in the context of recursion?

What is the default limit for recursion in Python, and how can it be customized?

Why is it important to define a base case in a recursive function?

How would you implement a recursive function to print 'Hello World' a specific number of times?

What happens if a base case is not defined in a recursive function?