W3Schools’ Python tutorial provides a comprehensive introduction to Python. This tutorial covers Python syntax, variables, data types, strings, objects, lists, functions and loops.

Since you can invoke the debugger with just a Python statement, you can have the debugger pop up conditionally — for instance, by using an if/then or try/except block.

An experimental ‘no-GIL’ build mode in Python 3.13 disables the Global Interpreter Lock to enable true parallel execution in Python. Here’s where to start.