Please show me what do I need to include and write in the cells to make a dataframe file that I have to appear in the Jupyter notebook.

Question 4 (25 points, 2 public tests, 1 hidden test) What is the daily return correlation between VFIAX and VTSAX from 2005 through today (i.e., the most recent date in your data)? Save this return correlation as a float variable a4 . This value is the return correlation between market-capitalization-weighted investments in the "top 500" stocks and all stocks. grader.check("q4")