When preparing for tech interviews, Dynamic Programming(DP) problems are of the most challenging type, in this article we discussed a thinking framework to help solve this type of problem. We also attached a list of actual interview problems with annotated solution as the case study to show how to apply this thiking framework in real scenarios.

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This tutorial gives you a quick overview of how Python handles function calls.

The Python program we are going to examine is:

def add(x, y):
    return x + y

print add(1,2)