How do I use python 3 on terminal Mac

Question

When I run python someCode.py in my terminal, I am actually using python 2.7

I have installed python 3.6 on my Mac and would like to use it in terminal. how can I do that?

Answer 1

Just type python3 where you would have typed python.

For example open repl type python3 run app.py program with python3.6 type python3 app.py