学堂在线 MITx: 6.00.1x 计算机科学和Python编程导论 problemset3

balance=4213monthlyPaymentRate=0.04annualInterestRate=0.2Month=1monthRate=annualInterestRate/12.0sum=0for i in range(1,13):    sum=sum+balance*monthlyPaymentRate    print 'Month: ',i    print('Minimum monthly payment: %.2f'%(balance*monthlyPaymentRate))    balance=balance-balance*monthlyPaymentRate     balance=balance+monthRate*balance    print('Remaining balance: %.2f'%balance)print('Total paid: %.2f'%sum)print('Remaining balance: %.2f'%balance)

题目要求计算一年之后还应该交多少钱，这一年一共交了多少钱。学到的知识点是：知道怎么讲小数点后两位输出了

print('%.2f'%float)