Since each language has killer libraries you might want to mix and match ecosystems and not make an all-or-nothing decision. Thankfully, that's also easily supp

Since each language has killer libraries you might want to mix and match ecosystems and not make an all-or-nothing decision. Thankfully, that's also easily supported. Either language can call the other via their C FFI interfaces. Throw in a Cython intermediary if that makes the glue easier to write.