On 05/05/15 00:08, Jag Sherrington wrote:
Hi, Alan
> Enter the item's wholesale cost: 0.50
(AFTER THIS LINE PRINTS I HIT ENTER AND WOULD
EXPECT THE NEXT LINE TO GIVE ME THE RESULT
But why would it? Your print code is all inside a loop that
only runs if the price is negative. If you enter a positive
price that code will not execute.
Look at your code. Follow it through line by line.
> while another == 'y' or another == 'y':
> wholesale = float(input("Enter the item's wholesale cost: "))
> while wholesale < 0:
> print('ERROR: the cost cannot be negative.')
> wholesale = float(input('Enter the correct wholesale cost: '))
>
> #Calculate the retail price.
> retail = wholesale * mark_up
>
> #Display the retail price.
> print('Retail price: $', format(retail, ',.2f'), sep='')
>
> #Do this again.
> another = input('Do you have another item? ' + \
> '(Enter y for yes): ')
I suspect that if you look at your books code the lines starting
#Calculate the retail price.
are all aligned under the first while not the second?
--
Alan G
Author of the Learn to Program web site
http://www.alan-g.me.uk/
http://www.amazon.com/author/alan_gauld
Follow my photo-blog on Flickr at:
http://www.flickr.com/photos/alangauldphotos
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