reset PIP to factory code example

Example 1: pip3 uninstall all

pip3 freeze | xargs pip3 uninstall -y

Example 2: delete all pip packages

#Write all modules to a txt file
pip freeze > requirements.txt

#Now to remove one by one:
pip uninstall -r requirements.txt

#If we want to remove all at once then:
pip uninstall -r requirements.txt -y