Calculate the decimal daily returns for AAPL and add them to the data frame aapl as column Returns. python coding

I used the following code to load the raw data you need for this quiz. Run the following code as-is (i.e., do not change it). aapl = pd.read_csv('aapl.csv', index_col='Date', parse_dates=True ) ff= pd.read_csv('ff.csv', index_col='Date', parse_dates=True) Questions Question 1 Calculate the decimal daily returns for AAPL and add them to the data frame as column