OCW 6-00 sc. PS1 (round option)

balance = float(raw_input('Enter the outstanding balance on the credit card: '))

annualRate = float(raw_input('Enter the annual interest rate on the credit card: '))

minPaymentRate = float(raw_input('Enter the minimum monthly payment rate on the credit card: '))


print("\n")

monthly_rate = annualRate/12

print("\n")

months = int(0)
minMonPay = float (0)           #minimum monthly pay
intsPaid = float (0)            #interests paid
principalPaid = float(0)
totalAmountPaid = float(0)

while months<12:
    months = months+1
    print 'month:', months

    minMonPay = (minPaymentRate * balance)
    print 'minimum monthly payment:', '$', round(minMonPay, 2)
    intsPaid = monthly_rate * balance
    principalPaid = minMonPay - intsPaid
    print 'principal Paid', '$', round(principalPaid, 2)
    balance = (balance - (principalPaid))
    balanceStr = str(balance)
    print 'remaining balance', '$', round(balance, 2)
    totalAmountPaid = (totalAmountPaid + minMonPay)
    print("\n")

print "RESULT\n"
print 'remaining balance', '$', round(balance, 2)
print '$', 'Total amount paid', round(totalAmountPaid, 2)