How to Fix ModuleNotFoundError (No Module Named CV2) Python Import Error

How to Fix ModuleNotFoundError (No Module Named CV2) Python Import Error **Description:** Encountering a `ModuleNotFoundError` for `cv2` typically means that the OpenCV library is not installed in your Python environment. This guide will walk you through the steps to resolve this error by installing OpenCV correctly. **Step-by-Step Guide:** Step 1: Verify Python Installation 1. **Open Terminal** (or Command Prompt if you are on Windows): - On macOS/Linux, open Terminal. - On Windows, open Command Prompt or PowerShell. 2. **Check Python Version**: - Ensure Python is installed and check its version: ```bash python --version ``` or ```bash python3 --version ``` Step 2: Install OpenCV The easiest way to install OpenCV is using `pip`, the Python package installer. 1. **Install OpenCV via pip**: - If you are using Python 3, run: ```bash pip install opencv-python ``` or ```bash pip3 install opencv-python ``` - To ensure you also install extra packages that are often needed, like `opencv-contrib-python`: ```bash pip install opencv-python opencv-contrib-python ``` or ```bash pip3 install opencv-python opencv-contrib-python ``` Step 3: Verify Installation 1. **Check Installation**: - Open Python in the terminal: ```bash python ``` or ```bash python3 ``` - Try to import `cv2`:...