I’m longing for Python 3 or 5 which at least has an option to make it mandatory to declare variables (I like the Idea of the “strict” keyword in Perl. The turnover from Python V2 to V3 also ...

C. Boolean operators. Expressions may be linked together or negated using the Boolean logical operators and, or, and not, all of which are Python keywords. The not operator has the highest precedence ...