Capgemini interview question

. Handling a DataFrame Working with pandas DataFrames, including creating, accessing, and modifying data. 2. Filling Null Values Using functions like fillna() to replace missing (null) values in a DataFrame. 3. Removing Duplicates Eliminating duplicate rows from a DataFrame using drop_duplicates(). 4. Printing Words Containing 'a' from a List Using list comprehension and functions to print words that contain the letter 'a' from a given list.