Mastering a programming language takes a considerable amount of time. It may just take you a couple of months to understand the basic data structures and control flow, and to perform certain operations with functions. Most of these basics are very straightforward and can be understood with simple code examples. The following example shows you how we can understand the basic elements of a function call in Python.

Function Basics

In the above code, we first defined a function called say_hello, which takes one parameter called name. In the function body, we created the greeting message from the name parameter and returned it as the function output. To call this function, we just used the function’s name with parentheses to enclose the needed parameter. As you can see, the greeting message got printed as expected. Everything is very basic and works as it’s supposed to.

The above code is just an example showing that some programming concepts are straightforward. However, some other concepts may require a longer time to fully digest. In Python, one such example related to function creation is closure. As far as I know, it’s something that many beginners know about it, but not to the extent of having a thorough understanding. In this article, I’m going to explain Python closures, and I hope that my explanation can help you understand it.

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