How many NaNs?

Task

For each column in data frame df count the sum of NaN values and print it.

Task

For each column in data frame df count the sum of NaN values and print it.

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Everything was clear?

Task

For each column in data frame df count the sum of NaN values and print it.

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Switch to desktop for real-world practiceContinue from where you are using one of the options below

Section 1. Chapter 1

AVAILABLE TO ULTIMATE ONLY