Update python in Colab

update.bash

# From: https://stackoverflow.com/questions/68657341/how-can-i-update-google-colabs-python-version

! python --version
# version 3.7 as default

#install python 3.9
!sudo apt-get update -y
!sudo apt-get install python3.10

#change alternatives
!sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.7 1
!sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.10 2

#check python version
!python --version