From Thinking FORTH (PDF) Forth is what you’d get if Python slept with Assembly Language: interactive, expressive, and without syntactical baggage, but still very close to the metal.

An assembly language is a type of low-level programming language that is intended to communicate directly with a computer’s hardware.

According to one measure, Python is potentially on the verge of becoming the most popular computer programming language and joining C and Java as the only other languages to attain the top spot.

Broader compiler support is driving a resurgence in interest in the nearly 35-year-old C++ programming language, which replaces Python in Tiobe's top 3.