see all python versions installed code example

Example 1: check corently installed epython version

python3 --version

Example 2: all python versions

Version	Latest micro version	Release date
3.4	         3.4.10				2014-03-16
3.5	         3.5.10				2015-09-13
3.6          3.6.13				2016-12-23
3.7          3.7.10				2018-06-27