(Choose 1 answer)
What task does the following line of code perform? df['price'].replace(np.nan, 100, inplace=True)
A. replace the not a number values with 100 in the column 'price'
B. replace the not a text values with 100 in the column 'price'
C. add the not a number values with 100 in the column 'price'
D. add the not a null values with 100 in the column 'price'
