This post show how to install and run python on Ubuntu Linux system or Mac OS system. It covers python3.
Installing and running
If you are using Linux, python3 is probably already installed on your system. Type the following to check:
If you don’t have it installed, the command to install on Ubuntu is:
sudo apt-get install python3 sudo apt-get install python-pip3
brew install python3 brew install pip3
To check if the python3 and pip3 was installed,
which python3 which pip3
To run a python program, simply type python3 and the file you want to run.