What is PIP?

PIP stands for “Pip Installs Packages”.

It is the official package manager for Python, used to install and manage external libraries that are not included with the standard Python distribution.

Why Use PIP?

• Quickly install useful libraries like numpy, pandas, requests, matplotlib, etc.
• Manage dependencies in your Python projects.
• Keep packages updated easily.

How to Check if PIP is Installed

Open your terminal or command prompt and type :

pip --version

Installing a Package

pip install package_name

Example

pip install requests

Uninstalling a Package

pip uninstall package_name

Example

pip uninstall numpy

List All Installed Packages

pip list

Upgrade a Package

pip install --upgrade package_name

Example

pip install --upgrade pandas

Requirements File (for Project Dependencies)

To install all packages listed in a requirements.txt file :

pip install -r requirements.txt

Example contents of requirements.txt :

numpy==1.24.3
pandas>=1.3.0
requests

Summary