python version manager mac code example

Example 1: check python version mac

# To check python 3 version type in the terimnal:

python3 --version

# To check python 2 version just type:

python --version

# If any errors come up then that means python isn't installed on your
# system.

Example 2: which python mac

$ brew update && brew upgrade python

Example 3: mac catallina python3

$ brew install pyenv