[Tutor] Follow Up
kent37 at tds.net
Mon Feb 19 02:28:45 CET 2007
kubota2550 at gmail.com wrote:
> I thought that I would be able to treat this like one of the standard
libraries (ie random) where I just include the random lib and then use a
command such as random.randrange(x,y). Will this not work with a custom
Yes you can do that with a custom class or with a plain function. With a
class you have to import and instantiate the class as Rikard showed.
PS Please respond to the list, not to me personally.
> Rikard Bosnjakovic wrote:
>>/ On 2/18/07, kubota2550 at gmail.com <http://mail.python.org/mailman/listinfo/tutor> <kubota2550 at gmail.com
> <http://mail.python.org/mailman/listinfo/tutor>> wrote:
> />>/ import classctof
> />>/ y=classctof.fahrenheit(1)
> />>/ print y
> />>/ What am I doing wrong to get it to pass the answer back to the calling
> />>/ program?
> />/ You need to instancify the class first before calling its methods:
> />/ import classctof
> # make an instance
> />/ y = classctof.Temperature()
> />/ # add the property. it's usually better to let the method handle this
> />/ y.celcius = 42
> The __init__() method, in particular:
> class Temperature(object):
> def __init__(self, celcius):
> self.celcius = celcius
> But in this example there doesn't seem to be any need fo a class to hold
> this function. You could make a standalone function
> celciusToFahrenheit() that takes the celcius temperature as a parameter
> and returns the fahrenheit temperature.
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