Install python3
$ sudo apt-get install python3-pip python3-venv python3 <enter>
Make an isolated environment$ mkdir environment <enter>
$ cd environment <enter>
$ python3 -m venv my_env <enter>
where my_env is the isolated environment$ ls my_env <enter>
to display the created folders
Activate the isolated environment$ source ~/environment/my_env/bin/activate <enter>
This will be the resulting prompt(my_env) patrick@rm01:~/environments$
Create a small program in the isolated environmentnano hello.py <enter>
print ("Hello World")
Save the file.
python hello.py <enter>
Deactivate the isolated environment
deactivate
to deactivate the isolated environment and return to home directory.