Install Python 3.10.x on Ubuntu 20.04

README.md

Prerequisite

sudo apt update
sudo apt install software-properties-common -y

Add custom APT repository

sudo add-apt-repository ppa:deadsnakes/ppa
sudo apt update

Press ENTER to confirm adding repository.

Install Python 3.10

sudo apt install python3.10 python3.10-venv python3.10-dev
python3 --version

You will see previous of Python. At the writing time Python 3.8.10

Make symbolic link (Optional)

Caution

This may cause problem with terminal not open on Ubuntu

https://askubuntu.com/questions/1397938/terminal-not-opening-after-changing-python-version

ls -la /usr/bin/python3
sudo rm /usr/bin/python3
sudo ln -s python3.10 /usr/bin/python3
python3 --version

Now you will see Python 3.10.x

Install PIP for Python 3.10

curl -sS https://bootstrap.pypa.io/get-pip.py | python3.10
python3.10 -m pip --version

Test with system ENV

python3.10 -m pip install ipython

Test with Virtual ENV

python3.10 -m venv venv
pip install ipython

References

https://computingforgeeks.com/how-to-install-python-on-ubuntu-linux-system/

PITFALL DONT DO Make symbolic link rm is trouble!!!!!

Thank you so much! i was searching instruction like that one! Great job!

The https://gist.github.com/rutcreate/c0041e842f858ceb455b748809763ddb#make-symbolic-link section caused the terminal to fail to open. It says that the symlink cannot be changed.

The https://gist.github.com/rutcreate/c0041e842f858ceb455b748809763ddb#make-symbolic-link section caused the terminal to fail to open. It says that the symlink cannot be changed.

Thanks for point it out. Now do symlink section is optional with caution.