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Recursion for Coding Interviews in Python

Converting Iterative Code to Recursive Code

Explore the process of converting iterative code into recursive functions by identifying loops, defining base and recursive cases, and applying these concepts through practical examples like reversing a string. This lesson helps you understand key differences and conversion methods to improve your recursion skills for coding interviews.

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The key to converting iterative code to recursive code is to find the specific lines of code that get transformed between the two implementations. Let’s take a look at an example:

Steps for Converting Iterative Code to Recursive

  1. Identify the main loop
    • This loop should modify one or more variables
    • It should return a result based on its final values.
  2. Use the loop condition as the base case and the body of the loop as the recursive case.
  3. The local variables in the iterative version turn into the parameters of the
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