[Tutor] using the loop function while another
Mark Lawrence
breamoreboy at yahoo.co.uk
Tue Oct 9 22:12:02 CEST 2012
On 09/10/2012 20:47, Amanda Colley wrote:
> Ok, here is my problem. If a person has two different people to order
> books for, then when using the loop option, How do you add the two seperate
> choices together for a final total of books cost?
>
> another='y'
> while another=='y' or another=='Y':
> choice()
> another=input('Do you have another book to order for this student?
> '+\
> 'Enter y for yes: ')
>
> def choice():
> book=int(input('Enter the book chioce you want: ' +\
> 'For Hardback Enter the number 1: ' +\
> 'Paperback Enter the number 2: ' +\
> 'Electronic Enter the number 3: '))
> num=int(input('Enter how many you need: '))
> cost=0
> if book==1:
> cost=79
> elif book==2:
> cost=49
> elif book==3:
> cost=19
> b_total=float(cost*num)
> print('Your book cost is $ ',format(b_total,'.2f'))
>
>
>
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Create an empty list at the top of your loop. Store your b_total in the
list inside the loop with the append method. When the loop finishes use
the built-in sum function to get the final total.
--
Cheers.
Mark Lawrence.
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