how to update all packages using pip code example

Example 1: update all pip packages

pip freeze | %{$_.split('==')[0]} | %{pip install --upgrade $_}

Example 2: pip install upgrade all

pip list --outdated --format=freeze | grep -v '^\-e' | cut -d = -f 1  | xargs -n1 pip install -U

Example 3: update all modules python in cmd

import pkg_resources
from subprocess import call

packages = [dist.project_name for dist in pkg_resources.working_set]
call("pip install --upgrade " + ' '.join(packages), shell=True)

Example 4: update every python library

(Do it in windows powershell)

pip freeze | %{$_.split('==')[0]} | %{pip install --upgrade $_}