Function Decorator in Python

Описание: Decorators are one of the most helpful and powerful tools of Python.
Functions are first-class objects in Python because they can reference to, pass to a variable and return from other functions as well. The
Decorators provide the flexibility to expand the working using the wrapped function, without permanently modifying original function.
Even we can reuse the same decorator to decorate multiple functions.

𝐋𝐞𝐭'𝐬 𝐬𝐞𝐞 𝐡𝐨𝐰 𝐭𝐨 𝐰𝐫𝐢𝐭𝐞 𝐚 𝐟𝐮𝐧𝐜𝐭𝐢𝐨𝐧 𝐝𝐞𝐜𝐨𝐫𝐚𝐭𝐨𝐫 𝐢𝐧 𝐩𝐲𝐭𝐡𝐨𝐧.