A

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Q. What does `df.at[3, 'B']` return?

  • (A) A slice of DataFrame
  • (B) Value at row 3, column 'B'
  • (C) A Series of row 3
  • (D) Entire column 'B'
  • Correct Answer - Option(B)
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Explanation by: Admin
`at[]` is used for fast scalar access by label.

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