Fix 'ModuleNotFoundError: No module named 'matplotlib'' in Python

The error message 'ModuleNotFoundError: No module named 'matplotlib'' indicates that the Python module named 'matplotlib' is not installed on your system.

To resolve this issue, you can try installing the module using pip by running the following command in your terminal or command prompt:

pip install matplotlib

If you are using a virtual environment, make sure to activate it before running the above command.

If the installation is successful, you should be able to import matplotlib in your Python code without any issues.