Decorators in Python are a prime-time example of a perfectly implemented feature. It does take a while to wrap your head around, but it’s worth it.

$ python decorator_test.py Function calculate_squares being called at 2018-08-23 12:39:02.112904 Took 2.5019338130950928 seconds Dealing with parameters. In the example above, ...

Data scientists can expose their work to Excel users with Python code and data available in Jupyter notebooks. Functions in a notebook can be decorated by a standard Python decorator syntax to ...

The developer uses a Python decorator (@provider) to specify a function as a data source, and PyDataProvider handles everything else, including parallelizing the data transfer process.

Python simplifies coding with easy syntax, built-in tools, and real-world applications.Mastering basics like loops, functions ...