how to upgrade all python packages with 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pip list --outdated --format=freeze | grep -v '^\-e' | cut -d = -f 1  | xargs -n1 pip install -U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: pip upgrade all

pip list --outdated --format=freeze | grep -v '^\-e' | cut -d = -f 1  | xargs -n1 pip install -U