PYTHON IN EXCEL! Part 14 - f-strings, docstrings and extending a DataFrame with custom methods!
This time round I'll walk through a way we can create a sub-class of pd.DataFrame to which we can add custom functions. We can override the behavior of the xl method to return an instance of that sub-class, meaning that every DataFrame created from data in the workbook will benefit from whatever custom methods are added to the sub-class!
Let's walk through it step by step.
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