On 5/7/14 4:15 PM, Marko Rauhamaa wrote:
That's why I always try to say “Python doesn't have variables the way
you might know from many other languages”,
Please elaborate. To me, Python variables are like variables in all
programming languages I know. Python currently does not allow me to
obtain the "address" of a variable, but that doesn't make me think of
Python variables any differently.
Here is the difference... in almost every other language you know.
A = macTruck
B = A
In almost every other language you know A and B each "contain" by
reference (and almost always by static type) macTruck. But NOT python.
A --> {macTruck} <-- B
In almost every other language you know there is some kind of binding
table (name reference to type/length) and BOTH A and B are bound to data
in memory macTruck... and usually its a different place in memory!
NOT python.
No doubt you may use A and B in python the way other people use their
variables in their language... but it MEANS something different.
marcus
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