The Ultimate Guide to Python Programming With Python 3.10 - Decorator Function

The video tutorial explains how to use a decorator function in Python to enhance a log function. It begins by introducing the log function, which prints a value. The tutorial then demonstrates how to decorate this function using a 'fence' decorator, which adds plus signs around the output. The process involves using the decorator syntax with the '@' symbol. The tutorial also includes a test of the decorated function in Python's interactive mode, showing the output with the added decorations. Finally, it delves into the workings of decorator functions, explaining the concept of a function within a function and how it modifies the behavior of the original function.

What is the significance of the add symbol in the context of decorators?

What does the output of the log function look like after decoration, according to the text?