#quarterly sales
staff =["Anna","Bob","Carol"]
quarterSales = [
                [100,110,120,110],
                [350,300,360,360],
                [200,210,220,220]]
annualSales = 0
for s in range(3):
    print("sales for "+staff[s])
    for q in range(4):
          print("Quarter ",q+1,":  ",quarterSales[s][q])
          annualSales = annualSales + quarterSales[s][q]
print("Annual sales for all staff : £",annualSales)