arbitrary number of arguments in a function declaration
rbt
rbt at athop1.ath.vt.edu
Sun Jan 2 14:28:14 EST 2005
Nick Coghlan wrote:
> rbt wrote:
>
>> How do I set up a function so that it can take an arbitrary number of
>> arguments? For example, I have a bunch of expenses which may grow or
>> shrink depending on the client's circumstance and a function that sums
>> them up... hard coding them is tedious. How might I make this dynamic
>> so that it can handle any amount of expenses?
>>
>> def tot_expenses(self, e0, e1, e2, e3):
>> pass
>
>
> The Python Tutorial is a wonderful thing. . .
But so is this list ;)
>
> Anyway, you can either set up your function to take a proper list, and
> then discover that the sum function already exists to add up the
> contents of a list:
>
> def tot_expenses(self, expenses):
> self.total_expenses = sum(expenses)
>
> Or, have the function take a variable number of arguments, and do the
> same thing:
>
> def tot_expenses(self, *args):
> self.total_expenses = sum(args)
>
> Cheers,
> Nick.
>
Many thanks!
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