Tuple unpacking goodness
Sunday, November 29, 2009
Todays pleasant surprise:
>>> a = {'a': (0, 1), 'b': (2, 3)}
>>> for k, (v1, v2) in a.iteritems():
... print k, v1, v2
...
a 0 1
b 2 3
>>>
Nice!
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Todays pleasant surprise:
>>> a = {'a': (0, 1), 'b': (2, 3)}
>>> for k, (v1, v2) in a.iteritems():
... print k, v1, v2
...
a 0 1
b 2 3
>>>
Nice!
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2 comments:
Marius Gedminas said...
Did you know that this also works for function calls (on Python 2.x; feature removed in Python 3.x)?
def f((x1, y1), (x2, y2)):
print x1, y1
print x2, y2
zero = (0, 0)
f(zero, (1, 2))
Anonymous said...
Unfortunatly this feature has been removed from python3 (probably a locak of use).
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