[Python-Dev] Tuple/list assignment question

["Martin v. Löwis"]

Greg Ewing wrote:
> Having to explicitly slice off the part you want to unpack not only
> seems inefficient (constructing an intermediate list or tuple just to
> immediately unpack it and throw it away) it also tends to obfuscate
> what is going on.

Of course, the proposed syntax does not change this. Compare

a,b,c = foo()[:3]

to

a,b,c,*_ = foo()

In either case, the extra fields obfuscate things, and in either
case, a second tuple is created. In the latter case, the tuple
is even stored in a variable.

Regards,
Martin