Fill all null or empty cells in your original DataFrame with an empty space and set that to a new DataFrame variable, here, called 'modifiedFlights'*. modifiedFlights=flights.fillna(“ “) Verify that ...

The `info()` function gives you a concise summary of your DataFrame. This includes the data types of the columns, the number of not-empty values (e.g., NaN, None) within them, and the memory use. Such ...