The Python Conference (PyCon) is an annual convention organized at various locations around the world with the purpose of promoting the usage and diffusion of the Python language. During such conventions, tutorials, hands-on demonstrations, and training sessions are commonly held. You can check out http://www.pycon.org/ to find out where and when the next PyCon will be held near you. If you cannot attend it, you can still perform a search on www.youtube.com because most of the interesting sessions are recorded and uploaded there. Attending and watching the real demonstration is a different thing anyway, so we warmly suggest you attend such conventions, because it really is worth it.
Similarly, PyData, a community of Python ...