[英]How to combine two lists of lists element-wise?
在 Python 中,我想以一種非常具體的方式組合列表列表,但我還沒有找到。 歡迎任何想法!
使用以下輸入:
firstList = [[[1], [2], [3]], [[4], [5], [6]]]
secondList = [[[11], [12], [13]], [[14], [15], [16]]]
我想得到以下 output:
[[[1, 11], [2, 12], [3, 13]], [[4, 14], [5, 15], [6, 16]]]
我試過了:
[list(a) for a in zip(firstList, secondList)]
但這會返回:
[[[[1], [2], [3]], [[11], [12], [13]]], [[[4], [5], [6]], [[14], [15], [16]]]]
我需要所需的 output 以獲得正確的格式,以便能夠使用模塊tslearn
中的 function TimeSeriesKMeans()
和二維時間序列
由於您有嵌套列表,因此您需要將zip
通過您的列表加倍。 你可以做:
[[a + b for a, b in zip(x, y)] for x, y in zip(firstList, secondList)]
代碼:
firstList = [[[1], [2], [3]], [[4], [5], [6]]]
secondList = [[[11], [12], [13]], [[14], [15], [16]]]
result = [[a + b for a, b in zip(x, y)] for x, y in zip(firstList, secondList)]
# [[[1, 11], [2, 12], [3, 13]], [[4, 14], [5, 15], [6, 16]]]
您也可以使用itertools.chain
:
from itertools import chain
result = [list(zip(chain(*l1), chain(*l2)))
for l1, l2 in zip(firstList, secondList)]
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