Continuing with our programming series, we will talk about Function – much of all that it entails. Understanding functions is important if you want to learn how to code. The same applies to ...

Immutability Another tenet of functional programming philosophy is not to modify data outside the function. In practice, this means to avoid modifying the input arguments to a function.

Chapter 6: Functions and Functional Programming Substantial programs are broken up into functions for better modularity and ease of maintenance. Python makes it easy to define functions but also ...

The demo program defines function my.qsort, which implements the quicksort algorithm to sort an array. If you refer to the code in Listing 1, you'll see that function my.qsort calls itself. Let me ...