# Introduction Matplotlib is a popular data visualization library that provides a wide range of tools for creating visualizations in Python. One of the interesting features of Matplotlib is the ability to add a crosshair cursor to a plot. In this lab, you will learn how to add a crosshair cursor to a Matplotlib plot. ## VM Tips After the VM startup is done, click the top left corner to switch to the **Notebook** tab to access Jupyter Notebook for practice. Sometimes, you may need to wait a few seconds for Jupyter Notebook to finish loading. The validation of operations cannot be automated because of limitations in Jupyter Notebook. If you face issues during learning, feel free to ask Labby. Provide feedback after the session, and we will promptly resolve the problem for you.
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