How to pick certain elements of x-tuple returned by a function?
iterable-unpacking, list, python, tuples
Solution
Underscore is often used as a name for stuff you do not need, so something like this would work:
part0, _, part2 = str.partition(' ')
In this particular case, you could do this, but it isn't a pretty solution:
part0, part2 = str.partition(' ')[::2]
A more esoteric solution:
from operator import itemgetter
part0, part2 = itemgetter(0, 2)(str.partition(' '))
Problem
I am a newbie to Python. Consider the function `str.partition()` which returns a 3-tuple. If I am interested in only elements 0 and 2 of this tuple, what is the best way to pick only certain elements out of such a tuple? I can currently do either: ``` # Introduces "part1" variable, which is useless (part0, part1, part2) = str.partition(' ') ``` Or: ``` # Multiple calls and statements, again redundancy part0 = str.partition(' ')[0] part2 = str.partition(' ')[2] ``` I would like to be able to do something like this, but cannot: ``` (part0, , part2) = str.partition(' ') # Or: (part0, part2) = str.partition(' ')[0, 2] ```