[msla]

And because it has bindings to C, it has bindings to a lot of other languages traditionally compiled to machine language, such as Fortran and C++, making SciPy possible, because that optionally depends on LAPACK, which is written in Fortran.

https://www.scipy.org/scipylib/building/linux.html

Of course, the people who just install and run SciPy don't need to know that, but the fact Python has a nice C FFI means it can run literally decades' worth of software across a fair number of languages.