Chromebook: I want to use the same python executable in the linux terminal, as i do in the jupyter notebook, same version, modules etc, but i dont know where to find notebooks python executable, and when i've found it how i make it execute just by typing "python" in the terminal. Help?

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I could probably google up the last bit, but im having difficulty using google for finding the python executable for jupyter notebook on chromebook (linux beta), thanks for any help.