Python 3.9’s PEG-based parser removed these barriers, which long-term could lead to more elegant syntax — our first example of this change is the new parenthesized context managers.

There aren’t many truly new major features in Python 3.10, but of the few that we do have, one of them — structural pattern matching — may be the single most significant addition to the ...

It forces ‘structure’ on new coders which is good and keeps the rest of us in line (pun intended). I use a 3 space indent rule and all is well. No tabs allowed.

Python 3.11 brings in several new type-hinting additions. The Self type Class methods that return self previously required obtuse and verbose annotations to be useful.

In addition to that, we’re going to add a new line option (to add a carriage return), so after the final input, the next file.write will start on a new line. This is done with: file.write(input2 ...