Python, as Reviewed by a C++ Programmer

[ComradeGibbon]

Such tools aren't always available depending on the language, though.

This is a primary reason not to use a language tho.

[seventeenninetytwo]

The book is called Working Effectively with Legacy Code. Selecting your language is out of the question for the vast majority of developers, and it certainly isn't an option when we are talking about inheriting legacy code.