The whole article is full of jokes.

> the C programming language as it’s by far the fastest language on the planet to this day (thanks to the visionary genius Dennis Richie)

Which would be more or less true, but:

> I decided to use the slowest language on the planet, Python (thanks to the visionary genius of Ross van der Gussom)

> So I let the mighty snake do its work and after getting a cup of coffee and getting back to check on the program 48 hours later I was left with a beautiful c file