jupyter kernelspec list
Which displays available python version in the jupyter kernel
python2.7 -m pip install --upgrade ipykernel
python2.7 -m ipykernel install
Check for the installed python2 version in the kernel
jupyter kernelspec list
python3.6 -m pip install --upgrade ipykernel
python3.6 -m ipykernel install --user
Check for the installed python3 version in the kernel
jupyter kernelspec list