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Recursion for Coding Interviews in Python

Understanding a Recursive Problem

In this lesson, we will go over methods to help you visualize a recursive function.

We'll cover the following...

Understanding the Problem

In the previous lessons, we learned the basic concept of recursion and its uses. Now, we will discuss how recursion works.

Let’s take a look at an example code:

Python 3.5
def printPattern(targetNumber) :
  
  if (targetNumber <= 0) :
    print(targetNumber)
    return
  print(targetNumber)
  printPattern(targetNumber - 5)
  print(targetNumber)
# Driver Program 
n = 10
printPattern(n)

On first glance, we notice that the targetNumber is decreased by ...

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