Q. Which method returns the number of non-null elements in each column or row?

  • (A) count()
  • (B) size()
  • (C) len()
  • (D) nunique()
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✅ Correct Answer: (A) count()
Explanation: The count() method counts the number of non-null observations in each column or row.

Published by Sikhar Chaudhary ⭐ 6.79K Points at 06-Oct-2025 06:58 am in Pandas

Explanation by: Sikhar Chaudhary
The count() method counts the number of non-null observations in each column or row.

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