---
title: Python Package Management
---

## PIP

pip is the package installer for Python, use to install packages from the [Python Package Index](https://pypi.org/) and other indexes.

### Most used command options

Updating the `pip` version:

```{code-block} bash
    pip install -U pip
```

Get version information and package path information:

```{code-block} bash
    pip -V
```

Installing a Python package, example: `pytest`:

```{code-block} bash
    pip install pytest
```

Uninstalling Python package, example: `pytest`:

```{code-block} bash
    pip uninstall pytest
```

Installing a specific Python package version, example: `pytest 7.1.1`:

```{code-block} bash
    pip install pytest==7.1.1
```

Listing the installed packages:

```{code-block} bash
    pip list
```


Saving the list of installed packages:

```{code-block} bash
    pip freeze > requirements.txt
```

Installing packages from the `requirements.txt` file:

```{code-block} bash
    pip install -r requirements.txt
```

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