📝 **Question:** A 1 GB DataFrame has a `country` column with 50 unique values. What dtype shrinks it most?
📋 Pick the right answer.
💡 **Hint:** Re-read the theory above if unsure.
📝 **Question:** A 1 GB DataFrame has a `country` column with 50 unique values. What dtype shrinks it most?
📋 Pick the right answer.
💡 **Hint:** Re-read the theory above if unsure.
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