how to uninstall all pip modules in python code example

Example 1: uninstall package with pip

##in console write: pip uninstall 
pip uninstall 

Example 2: how to delete all pips

type "pip freeze" to get list of all installed packages.
Copy all the names into a text file name it pkg.txt
then type the following "pip uninstall -r pkg.txt"
you will be asked to proceed type "y" and enter