Simply run python3 –version . You should get some output like Python 3.8. 1 if Python 3 is installed.

How do I know if python3 is installed?

To check which version of Python 3 is installed on your computer, simply run the command python3 –version instead of python –version .

Is python3 installed on Ubuntu by default?

The Ubuntu operating systems from 14. X onwards all have python 3. … H owever python 2.7. 6 interpreter is still usually configured as the default interpreter.