Kirby said:
We say reference a lot when talking about a variable's relationship
to a piece of memory. I'm thinking handle could be used more
(optionally -- this is not an instruction) and we could even show a
coffee cup (doesn't have to be coffee -- a mug) with two handles, when
explaing
The coffee-cup-handle metaphor is certainly useful, but IMHO not quite as
spot-on as the sticky-note metaphor.
-John Posner
Excellent review John thanks.
Below is the kind of thing a teacher could project.
IDLE 1.2b2
handle1 = ['coffee','sugar','cream']
handle2 = handle1
id(handle1)
On Mon, 2006-10-02 at 10:00 -0700, kirby urner wrote:
handle1 = ['coffee','sugar','cream']
handle2 = handle1
id(handle1)
13645944
id(handle2)
13645944
I always thought that when presenting this it is natural and important -
in order for the student to truly get it - to do an as
Anyway, I would advocate the as opposed to be integrated into such a
presentation.
Art
Yes, once bitten in the butt by the fact of a two handled mug, then
comes the question: so how do I make sure each handle gets a mug to
itself? (as in why should we share the same beer?).
At this point,
On Mon, 2006-10-02 at 16:04 -0700, kirby urner wrote:
Anyway, I would advocate the as opposed to be integrated into such a
presentation.
Art
Actually *duplicating* a piece of memory (wasteful?), to make the same
contents reside elsewhere (why?), with its own handles, is considered
a
On 10/2/06, Arthur Siegel [EMAIL PROTECTED] wrote:
The argument I keep making and for which I cannot seem to find any
takers, is that essential to explaining/understanding assignment of a
list to a name, is understanding in the negative - i.e., what it is not.
We are still just teaching basic
On Mon, 2006-10-02 at 16:04 -0700, kirby urner wrote:
Or we might import the copy module.
Or we might take the whole thing as a slice i.e. newlist = oldlist[:].
I used the list(handle1) alternative purposefully, based on Alex
Martelli's position on the matter.
The first time I heard him
kirby urner wrote:
Scott mentioned our not being able to see how many handles a mug has,
but with the sys module we can:
Perhaps I said that, but what I _meant_ was that you could see the
handles. In my mind, at least, there is a huge difference between
seeing the handles (what is this
