# pip

> Python package manager

- 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}}`