Which of the following code blocks returns a DataFrame where column storeCategory from DataFrame storesDF is split at the underscore character into column storeValueCategory and column storeSizeCategory?
A sample of DataFrame storesDF is displayed below:
ronfun
Highly Voted 2 years, 3 months agoNickWerbung
2 years ago4be8126
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1 year, 10 months agozozoshanky
1 year, 11 months ago4be8126
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