How to use the regular expression functions provided by the ‘re’ library to match, search, and replace text in your Python programs. Regular expressions, or “regex,” is a system for ...

An annotation can be any valid Python expression. Here’s an example of an annotated function where we’ve gone bananas with useless information. # Without annotation def foo(bar, ...

Quantifiers. A quantifier has the form {m,n} where m and n are the minimum and maximum times the expression the quantifier applies to must match. For example, both e{1,1}e{1,1} and e{2,2} match feel, ...

Learn about Python metaclasses, how to define and use them, and explore examples to understand their functionality with this comprehensive tutorial. Skip to content TechRepublic ...

I recently switched to using python 2.5 from 2.4, one of the new language level features in 2.5 is conditional expressions. Which I thought was odd because I was already writing conditional ...

Today the release of Python 3.3.0 was made official, with a couple new syntax features, a handful of library modules, and several other improvements. According to Python.org’s site, the next ...