Why is your Python ... single function call for reference. But if you’re trying to get to the bottom of a bottleneck, you will likely want the most time-consuming parts of the program listed ...

The if __name__ == "__main__": statement checks if the script is being run as the main program. If it is, it calls the greet() function with the name "Alice". If this script were imported as a module ...

Python is a powerful programming language that is easy to learn and easy to work with, but it is not always the fastest to run—especially when you’re dealing with math or statistics.