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Removing whitespace

With the ratings now stored as integers, you notice another issue in the dataset: some values in the detail column have leading whitespace. This inconsistency could cause problems when grouping products by their detail type - " eau de toilette" and "eau de toilette" would be treated as different categories.

지침

100 XP

Remove leading whitespace from the detail column by calling the .strip_chars_start() method.

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