def main(): print ( '========== Exercise 2.1.6 ==========') myAsset = Asset(10000) print ('Initial Value: {}'.format(myAsset.initialvalue)) print ('Monthly Depreciation: {}'.format(myAsset.monthlyDepriciation())) print ('Annual Depreciation: {}'.format(myAsset.yearlyDepreciation())) myAsset.initalvalue = 12000 print ('New Inital Value: {}'.format(myAsset.initialvalue)) print(myAsset.currentvalue(8))