The function print_mean() that you wrote in the previous lesson
calculates an average value and prints it on the screen. Change
this function so that instead of printing the average it returns
the average.In order to calculate the sum, you won't need to form a
loop; call the function column_sum() instead.
# columns are [0]title [1]year [2]rating [3]length(min) [4]genre
[5]budget($mil) [6]box_office_gross($mil)
oscar_data = [
["The Shape of Water", 2017, 6.914, 123, ['sci-fi', 'drama'], 19.4,
195.243464],
["Moonlight", 2016, 6.151, 110, ['drama'],...