On-Site Question 3 - SOLUTION

Question

Given a string, write a function that uses recursion to reverse it.

Requirements

You MUST use pen and paper or a whiteboard to answer this, no coding allowed!

SOLUTION

Hopefully you remember this problem, you‘ve already seen it! The solution is:

def reverse(s):
    
    # Base Case
    if len(s) <= 1:
        return s

    # Recursion
    return reverse(s[1:]) + s[0]

Notes

Remember when recursion questions arise, think about the base case and the recursive case. Review the recusion section of the course for review for this problem.

Good Job!

Reverse string using recursion

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