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))
