docker run -it -p 8888:8888 -p 6006:6006 -v sharedfolder:/root/sharedfolder floydhub/dl-docker:cpu bash
root@4aa86b7ed9d6:~# jypiter notebook
bash: jypiter: command not found
root@4aa86b7ed9d6:~# jupyter notebook

load in an external .py file:

%load file_name.py

and call any function defined in it.

get key from a user input as pygame.event http://content.gpwiki.org/index.php/Python:Pygame_keyboard_input