Eric Walker wrote:
> I think you need to check to see if the remaining amount is less than
> the payment amount.
>
> Eric...
Or just subtract the minimum between the remaining amount and the
payment amount. See below
>
> */Christopher Spears <[EMAIL PROTECTED]>/* wrote:
>
> I'm working on a problem in Chapter 5 of Core Python
> Programming(2nd Edition). I am supposed to write a
> script that take an opening balance and a monthly
> payment from the user. The script then displays the
> balance and payments like so:
>
>
> Enter opening balance: 100
> Enter monthly payment: 16.13
> Amount Remaining
> Pymnt# Paid Balance
> 0 0.00 100.00
> 1 16.13 83.87
> 2 16.13 67.74
> 3 16.13 51.61
> 4 16.13 35.48
> 5 16.13 19.35
> 6 16.13 3.22
> 7 3.22 0.00
>
> Here is what I have written so far:
>
> #!/usr/bin/env python
>
> balance = float(raw_input("Enter opening balance: "))
> payment = float(raw_input("Enter monthly payment: "))
>
> print "\tAmount\tRemaining"
> print "Pymnt#\tPaid\tBalance"
>
> payment_num = 0
> print "%d\t%.2f\t%.2f" % (payment_num,0,balance)
>
> while balance >= 0:
> payment_num = payment_num + 1
> if balance > 0:
> balance = balance - payment
Instead of this ^^^ line you should have :
balance = balance - min(balance, payment)
And I guess that would be it.
> print "%d\t%.2f\t%.2f" %
> (payment_num,payment,balance)
> else:
> payment = balance
> balance = balance - payment
> print "%d\t%.2f\t%.2f" %
> (payment_num,payment,balance)
>
> This is what my script displays:
>
> Enter opening balance: 100
> Enter monthly payment: 16.13
> Amount Remaining
> Pymnt# Paid Balance
> 0 0.00 100.00
> 1 16.13 83.87
> 2 16.13 67.74
> 3 16.13 51.61
> 4 16.13 35.48
> 5 16.13 19.35
> 6 16.13 3.22
> 7 16.13 -12.91
>
> I'm not sure how to solve this problem. Apparently,
> trying to catch the remaining balance when it becomes
> negative doesn't work!
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