Consider [Tushar Sadhwani] who wanted to create a classic C-style for loop inside of Python. He did it, and the journey is perhaps more interesting than the result.

Patterns in Python structural pattern matching. Patterns can be simple values, or they can contain more complex matching logic. Some examples: case "a": Match against the single value "a".

If you’ve ever written any Python at all, the chances are you’ve used iterators without even realising it. Writing your own and using them in your programs can provide significant perfo… ...