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[英]Combining two lists of different length to tuples at every nth element of the longer list
[英]Combining every two tuples within a list in Python
在元組列表中,我試圖將每對連續的對轉換為其總和。
例如,
[(t1, ), (t2, ), (t3, ), (t4, )] --> [(t1, t2) + (t3, t4)]
如何才能做到這一點?
例:
a = [(119, 'Bob', 1L, 1L), (116, 'Twilight Sparkle', 1L, 1L), (117, 'Fluttershy', 0L, 1L), (118, 'Applejack', 0L, 1L)]
然后輸出應為:
[(119, 'Bob', 1L, 1L, 116, 'Twilight Sparkle', 1L, 1L), (117, 'Fluttershy', 0L, 1L, 118, 'Applejack', 0L, 1L)]
說的清單是:
a = [(1, 2), (3, 4), (5, 6), (7, 8)]
然后使用itertools.izip
(適用於Python2.7),
import itertools
您可以使用:
>> [aa + bb for (aa, bb) in itertools.izip(a[::2], a[1::2])]
[(1, 2, 3, 4), (5, 6, 7, 8)]
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