Python3.10 on Ubuntu18

Manual Installation

sudo apt install software-properties-common
sudo apt install build-essential zlib1g-dev libncurses5-dev libgdbm-dev libnss3-dev libssl-dev libreadline-dev libffi-dev libsqlite3-dev wget libbz2-dev

wget https://www.python.org/ftp/python/3.10.0/Python-3.10.0.tgz

tar -zxvf Python-3.10.0.tgz  
ls
cd Python-3.10.0/
ls

 
./configure --enable-optimizations
make -j $(nproc)
sudo make altinstall
python3.10

 

References:

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