tldr/pages/common/pip.md

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# pip
> Python package manager.
> Homepage: <https://pip.pypa.io>.
- Install a package:
`pip install {{package_name}}`
- Install a specific version of a package:
`pip install {{package_name}}=={{package_version}}`
- Upgrade a package:
`pip install -U {{package_name}}`
- Uninstall a package:
`pip uninstall {{package_name}}`
- Save installed packages to file:
`pip freeze > {{requirements.txt}}`
- Install packages from file:
`pip install -r {{requirements.txt}}`