pip uninstall all versions of a package 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