The pattern-matching syntax introduced in Python 3.10 allows for powerful new programming techniques for decision ... store a function as a value and use the key or some other variable as input.

We first took the string as input using the input function.; Then, we converted all its letters to the capital case using the upper function.; Next, using the len function we printed the length of the ...

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.