This is what those little brackets are for: they allow us to call a function in Python while also passing in data. Even more useful though, is the ability of a function to transform data.

The value of the parameter is passed into the function, but even if the function modifies the value, it cannot pass the new value out to the calling function. Update parameters can be used to pass a ...

WSGI works by exposing a Python function, typically named application or app, to the web server. This function takes two parameters ... Any long-running call to a sync-only function will block ...