2.7 and 3.5 python code example
Example 1: python version
python ––version
Example 2: latest version of python
# For macs...
# Apparently you don't want to upgrade 2.* just install 3.*
% brew install python3
python ––version
# For macs...
# Apparently you don't want to upgrade 2.* just install 3.*
% brew install python3