The ABC of Python decorators. Functions with an @ symbol. Let’s try a combination of the two previous concepts: a function that takes another function and defines a function.

For now, it’s best to assume threading in Python, by default, won’t give you parallelism. ... save for a special function decorator that marks the entry point to your work.

$ 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, ...

Installing Numba. Numba works with Python 3.6 and most every major hardware platform supported by Python. Linux x86 or PowerPC users, Windows systems, and Mac OS X 10.9 are all supported.