[Tutor] A list of input arguments

Kent Johnson kent37 at tds.net
Tue Jan 13 12:42:40 CET 2009

On Tue, Jan 13, 2009 at 4:16 AM, Alan Gauld <alan.gauld at btinternet.com> wrote:
> "Mr Gerard Kelly" <s4027340 at student.uq.edu.au> wrote

>> Is there any way to list the input arguments without listing them inside
>> the function's parentheses?
> No, because the function expects 3 arguments so you must pass it 3.
> That is the contract (or interface) that exists betweeen the writer of the
> function and you the consumer of it.  Programming. particularly on
> larger projects with multiple teams, is all about defining interfaces
> and adhering to them! If you want thebenefit of the function you must
> respect its contract.

You can use *args to pass multiple arguments in a list. For example,

In [1]: def show(a, b, c):
   ...:     print a, b, c

In [2]: values = [1, 2, 3]

In [3]: show(*values)
1 2 3


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