Please show me on a jupyter notebook, what do I need to include and/or write in the cells to make this dataframe run properly.

Question 4 (25 points, 2 public tests, 2 hidden test) Add a "Return" column to the data frame a3 that contains Tesla daily returns. These daily returns should be in decimal terms. Create a float variable a4 that contains the volatility of Tesla daily returns from 2019 through 2020. This volatility should be the volatility of daily returns in decimal terms. In [ ]: In [ ]: grader.check("94") In [ ]: Question 4 (25 points, 2 public tests, 2 hidden test) Add a "Return" column to the data frame a3 that contains Tesla daily returns. These daily returns should be in decimal terms. Create a float variable a4 that contains the volatility of Tesla daily returns from 2019 through 2020. This volatility should be the volatility of daily returns in decimal terms. In [ ]: In [ ]: grader.check("94") In [ ]