how to uninstall packages in anaconda code example

Example 1: uninstall all pip packages anaconda

C:\> py -m pip uninstall simplejson
Uninstalling simplejson:
   /home/me/env/lib/python3.9/site-packages/simplejson
   /home/me/env/lib/python3.9/site-packages/simplejson-2.2.1-py3.9.egg-info
Proceed (y/n)? y
   Successfully uninstalled simplejson

Example 2: uninstall all pip packages anaconda

py -m pip uninstall [options]  ...
py -m pip uninstall [options] -r  ...