Answers for "using pip"

linux python installation wheel

python -m pip install --upgrade pip setuptools wheel

install pip

python -m pip download [options] <requirement specifier> [package-index-options] ...
python -m pip download [options] -r <requirements file> [package-index-options] ...
python -m pip download [options] <vcs project url> ...
python -m pip download [options] <local project path> ...
python -m pip download [options] <archive url/path> ...

pip upgrade python

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