Fix misleading add_column() usage example in docstring #7648
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This PR fixes the usage example in the Dataset.add_column() docstring, which previously implied that add_column() modifies the dataset in-place. Why: The method returns a new dataset with the additional column, and users must assign the result to a variable to preserve the change. Fixes huggingface#7611
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Fixes #7611
This PR fixes the usage example in the Dataset.add_column() docstring, which previously implied that add_column() modifies the dataset in-place.
Why:
The method returns a new dataset with the additional column, and users must assign the result to a variable to preserve the change.
This should make the behavior clearer for users.
@lhoestq @davanstrien