update python library windows code example
Example 1: python update installed packages
py2
$ pip install pip-review
$ pip-review --local --interactive
py3
$ pip3 install pip-review
$ py -3 -m pip_review --local --interactive
Example 2: pip install python 3
You cannot just pip install python3 because it is not a library.
If you want to install the latest python3:
https://www.python.org/ftp/python/3.8.2/python-3.8.2.exe