On Thu, 16 Nov 2006, Chris Hengge wrote:
> I didn't send this to the list because I didn't want to go off-topic.
[Meta]
Then let's start a new topical thread. Let's call this one "Returning
compound objects?" and work from there.
But please let's keep this on Tutor; I'm serious when I say that I don't
have much time these days to help out on python-tutor, and I want to make
sure I don't become a single point of failure. I put myself on Digest
mode for a reason. It's not because I don't want to help, but because I
have other timely obligations that I can't ignore anymore.
See:
http://catb.org/esr/faqs/smart-questions.html#noprivate
---------------------------------------------------------------------
> Could you please explain how this works?
>
> return names + subnames
>
> how do you catch something like that? Normally I'd do something like
>
> def foo():
> #do impressive stuff
> return impressive_stuff
>
> impressive_stuff = foo()
>
> I was asking someone the other day about returning multiple items and I
> got some huge answer about needing to pack the items into a single item,
> then unpack them on the other side.
Try this at the interactive interpreter:
#######################################
words = ['this', 'is', 'a', 'sentence']
w1, w2, w3, w4 = words
#######################################
What do you think will happen? Can you explain what's going on?
Then take a look at this:
########################################
words = ['this', 'is', 'a', 'sentence']
w1, w2 = words
#########################################
What do you think will happen? And then try it. Can you say in words
what happened? Try explaining it.
Finally, take a look at this:
#######################################
def quotient_and_remainder(x, y):
return [x / y, x % y]
results = quotient_and_remainder(17, 5)
print results
q, r = quotient_and_remainder(17, 5)
print q
print r
########################################
Predict what you think will show up, and then see if your mental model
matches what actually happens.
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