Linux/Mac
pip freeze > installed_packages.txt; pip uninstall -r installed_packages.txt -yWindows Powershell
pip freeze | % {pip uninstall -y $_}Windows CMD
pip freeze | for /F "delims=" %i in ('more') do pip uninstall -y %ipip freeze > installed_packages.txt; pip uninstall -r installed_packages.txt -ypip freeze | % {pip uninstall -y $_}pip freeze | for /F "delims=" %i in ('more') do pip uninstall -y %i