假设有一个元组列表,其中每个元组只能包含唯一的字符/数字,并且每个元组的顺序和长度是相同的。像这样的元组列表(1, 2, 3):
l = [
(1 , 2, 3), #1
(None, 2, 3), #2 merge with #4 or #8
(1 , None, 3), #3 merge with #6
(1 , None, None), #4 overhead?
(1 , 2, 3), #5
(None, 2, None), #6
(1 , 2, None), #7 overhead
(1 , None, None), #8 overhead?
]
但是在某些元组中,缺少值,并且应该将缺失的值与来自同一列表的匹配元组合并/补充。合并后,如果超过的任何元组仍包含None值,则应将其切除或附加在末尾。
指定结果:
l = [
(1 , 2, 3), #1
(1 , 2, 3), #2 merged with #4
(1 , 2, 3), #3 merged with #6
(1 , 2, 3), #4
]
python中有什么方法可以做到这一点吗?
慕雪6442864
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