Note that if the print statement in both these files were contained in an if name equals main block, the print statement in the helper.py file would be guarded and would not run. The output would ...

The py launcher—or just py for short—is a shortcut to all the installed versions of Python on your system. With a command-line switch, you can see at a glance all the Python interpreters you ...

Run python main.py, and you should see something like the following returned as a response: 283.297530375. That’s the output from the compiled integral function, as invoked by our pure Python code.