ubuntu nainštalovať python
# first do:
sudo apt-get update
# after do:
sudo apt-get install python3.6
# then it should be installed
linux ubuntu nainštalovať python 3.7
sudo apt-get install python3.7
ako nainštalovať python3 v ubuntu
sudo apt update
sudo apt install software-properties-common
sudo add-apt-repository ppa:deadsnakes/ppa
sudo apt update
sudo apt install python3.8