Read the file forture500-small.txt
For each business sector, print the ratio sum_of_profits / sum_of_revenues.  Rounded to a tenth of a percent.

Points:
	45 - Can read the CSV file and get the data points
	45 - Can print a list like the one below
	 5 - Can round the number to 0.1%
	 5 - Can sort the list by ratio
	 
Drop Dead deadline Friday April 7th!

Useful URLS:
https://docs.python.org/3/library/csv.html
https://www.w3schools.com/python/ref_func_round.asp
https://www.freecodecamp.org/news/sort-dictionary-by-value-in-python/#howtosortadictionarywiththesortedmethod

When I do it I get
Retailing = 3.4%
Financials = 11.0%
Technology = 14.1%
Energy = 0.0%
Wholesalers = 1.4%
Health Care = 8.0%
Motor Vehicles & Parts = 4.4%
Telecommunications = 9.0%
Industrials = 7.8%
Food & Drug Stores = 2.2%
Aerospace & Defense = 7.4%
Household Products = 11.0%
Food, Beverages & Tobacco = 11.9%
Transportation = 8.0%
Media = 11.1%
Chemicals = 8.4%
Apparel = 9.5%
Hotels, Restaurants & Leisure = 12.0%
Materials = 3.0%
Business Services = 11.9%
Engineering & Construction = 4.1%