# Introduction The Pandas DataFrame.diff() method calculates the difference between elements in a DataFrame. It provides the first discrete difference of elements, calculating the difference of a DataFrame element compared with another element in the DataFrame. By default, the method calculates the difference with the previous element in the row. ## 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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