There is a project to bring Python support here:
https://github.com/touilleMan/godot-python
But it doesn't seem to be very active.
In my opinion, third-party language support like this is not worth the trouble involved in doing it. It's complex to set up, breaks easily, you won't be able to use new Godot features until/unless the language support is updated.
Unless you have a solid need for something that only Python provides, you're not going to gain much benefit.