What are you talking about? C2 has never incorporated python, and as it's pure Javascript, how can it?
If you use the search function, you will see that others have previously asked similar questions regarding python.
It's perhaps feasible that a plugin could be created but I hardly see the point. It would be a niche request IMO.
Here is just one response from Kyatric that may help: https://www.scirra.com/forum/how-do-i-use-span-class-posthilit-python-span-code_p787130?#p787130