check package version pip code example
Example 1: check package version python
import packagename
print(packagename.__version__)
Example 2: how to list all versions of pip in ubuntu using grep
sudo apt list --installed | grep screen
Example 3: get version package from pip
$ pip show Jinja2
---
Name: Jinja2
Version: 2.7.3
Location: /path/to/virtualenv/lib/python2.7/site-packages
Requires: markupsafe
Example 4: pip pkg version
$ pip show Jinja2
---
Name: Jinja2
Version: 2.7.3
Location: /path/to/virtualenv/lib/python2.7/site-packages
Requires: markupsafe