'''
Created on 2011-9-14
@author: legendxx
'''
rate =0.04
if __name__ == '__main__':
amount = int(raw_input("What is amount of loan?"))
year = int (raw_input("Number of years to pay off the loan?"))
interest = amount*rate*year
total = amount + interest
monthly_payment = total/(year*12)
print "Monthly payment is:%.2f"%monthly_payment
print "Total interest paid:%.2f"%interest
print "Total amount paid:%.2f"%total
可在2.x环境下运行,与3.x不兼容的,使用的时候请注意.
另外,利息的公式是按照提供的公式计算的,实际银行采用的是复利,应该比这个实际利率要高.