When (and why) to use del?

[Bruno Desthuilliers]

malkarouri a écrit :
(snip)

> The del statement doesn't actually free memory. It just removes the
> binding from the corresponding namespace. So in your first example,
> my_string cannot be used after the deletion. Of course, if the string
> referenced by my_string was referenced by some other name then it will
> still stay in memory.

And even if it wasn't, and as such ends up being garbage-collected, this 
doesn't mean the allocated memory will go back to the system.

(snip)