A

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Q. Which function returns the number of non-null elements in each column?

  • (A) df.size()
  • (B) df.count()
  • (C) df.length()
  • (D) df.total()
  • Correct Answer - Option(B)
  • Views: 13
  • Filed under category Pandas
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Explanation by: Admin
`count()` returns non-null element counts for each column.

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