def main():
print ('========== Exersize 2.1.3 ==========\n')
myLoan = Loan(360,.025,100000)
print("Monthly Payment: {}".format(myLoan.monthlyPayment()))
t = timer()
t.start()
print("Balance after 60 periods: {}".format(myLoan.balance(60)))
t.end()
t.start()
print('Balance in period 60 computed recursivly {}'.format(myLoan.balanceRecursive(60, myLoan.face)))
t.end()
t.start()
print("Interest due on period 60: {}".format(myLoan.interestDue(60)))
t.end()
t.start()
print('Interest in period 60 computed recursivly {}'.format(myLoan.interestDueRecursive(60, myLoan.face)))
t.end()
t.start()
print("Principal due on period 60: {}".format(myLoan.principlaDue(60)))
t.end()
t.start()
print('Principal in period 60 computed recursivly {}'.format(myLoan.principalDueRecursive(60, myLoan.face)))
t.end()
"""
On my system, in both instances the direct and recursive versions of the function run to fast to comeup with a time besides 0
However, I know that the recursive function is likely much slower
"""
print("The total payment should equal interest plus principal which is {}".format(myLoan.interestDue(5) + myLoan.principlaDue(5)))
print("Total Interest paid is {}".format(myLoan.totalInterest()))
print("Total Payment is {}".format(myLoan.totalPayments()))
print("Total Interest paid is {}".format(myLoan.totalInterest()))
print("Old rate {}".format(myLoan.rate))
print("Old term {}".format(myLoan.term))
print("Old face {}".format(myLoan.face))
myLoan.rate = .035
myLoan.term = 60
myLoan.face = 20000
print("New rate {}".format(myLoan.rate))
print("New term {}".format(myLoan.term))
print("New face {}".format(myLoan.face))
