On Mon, 25 May 2020 19:25:08 +0100
MRAB <pyt...@mrabarnett.plus.com> wrote:
> On 2020-05-25 19:00, Ciarán Hudson wrote:
> > Hi,
> >
> > In the code below, which is an exercise I'm doing in class
> > inheritance, almost everything is working except outputting my
> > results, which as the function stock_count, to a csv. stock_count
> > is working in the code. And I'm able to open and close the csv
> > called cars, but the stock_count output is not being written to the
> > file. Any suggestions?
> [snip]
> >
> > def stock_count(self):
> > print('petrol cars in stock ' + str(len(self.petrol_cars)))
> > print('electric cars in stock ' +
> > str(len(self.electric_cars))) print('diesel cars in stock ' +
> > str(len(self.diesel_cars))) print('hybrid cars in stock ' +
> > str(len(self.hybrid_cars)))
> >
> > def process_rental(self):
> > answer = input('would you like to rent a car? y/n')
> > if answer == 'y':
> > self.stock_count()
> > answer = input('what type would you like? p/e/d/h')
> > amount = int(input('how many would you like?'))
> > if answer == 'p':
> > self.rent(self.petrol_cars, amount)
> > if answer == 'd':
> > self.rent(self.diesel_cars, amount)
> > if answer == 'h':
> > self.rent(self.hybrid_cars, amount)
> > else:
> > self.rent(self.electric_cars, amount)
> > self.stock_count()
> >
> > file = open("cars.csv","w")
> > file.write(str(self.stock_count()))
> > file.close()
> >
> In 'stock_count' you're telling it to print to the screen. Nowhere in
> that function are you telling it to write to a file.
I think something gets written to 'cars.csv', namely the string 'None'.
--
Manfred
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