#Brand--Date--WorkDay--UnitCost--UnitPrice--Quantity--Discount--TotalCost--Sales
sales = [['Contoso','1/29/2008','WorkDay',25.49,49.99,9,4.999,229.41,444.911],['Litware','1/31/2008','WorkDay',18.78,36.83,13,22.098,244.14,456.692],['Proseware','1/23/2008','WorkDay',61.17,119.99,8,23.998,489.36,935.922],['Adventure Works','1/15/2008','WorkDay',30.08,59,9,11.8,270.72,519.2],['Southridge Video','1/7/2008','WorkDay',3.56,6.99,45,0.3495,160.2,314.2005],['Southridge Video','1/9/2008','WorkDay',45.83,89.9,9,8.99,412.47,800.11],['Tailspin Toys','1/31/2008','WorkDay',16.31,32,9,1.6,146.79,286.4],['Litware','1/25/2008','WorkDay',2.54,4.99,9,0.499,22.86,44.411],['Litware','1/28/2008','WorkDay',509.32,999,4,99.9,2037.28,3896.1],['Adventure Works','1/24/2008','WorkDay',61.17,119.99,13,0,795.21,1559.87],['Southridge Video','1/3/2008','WorkDay',28.04,55,9,2.75,224.32,492.25],['Fabrikam','1/13/2008','WeekEnd',75.96,149,13,22.35,987.48,1914.65],['Contoso','1/5/2008', 'WeekEnd',55.57,109,13,0,722.41,1417],['Southridge Video','1/6/2008','WeekEnd',3.56,6.99,130,2.097,462.8,906.603],['Adventure Works','1/7/2008','WorkDay',40.76,79.95,9,11.9925,366.84,707.5575],['Contoso','1/27/2008','WeekEnd',83.1,163,9,8.15,747.9,1458.85],['Wide World Importers','1/19/2008','WeekEnd',61.17,119.99,9,11.999,550.53,1067.911],['Contoso','1/30/2008','WorkDay',48.43,94.99,8,56.994,339.01,702.926],['Tailspin Toys','1/6/2008','WeekEnd',21.92,43,9,0,175.36,387],['Fabrikam','1/16/2008','WorkDay',50.98,99.99,27,24.9975,1376.46,2674.7325]]
#allow the user to enter the column they want to work with inluding:# UnitCost--UnitPrice--Quantity--Discount--TotalCost--Sales#and the work to conduct,which includes:SUM,AVG,MIN, and MAX
coln = input('Enter the column: ')work = input('Enter Sum, AVG, MIN or MAX:')