python version mac code example

Example 1: terminal python version

# in python
$ python --version

# in python3
$ python3 --version

Example 2: which python mac

$ brew update && brew upgrade python

Example 3: set python3 as default mac

# it is said not to do but I used it anyway, because of the conveniency
$ echo "alias python=/usr/local/bin/python3.7" >> ~/.zshrc

Example 4: install python in mac

brew install python3
brew install python2