Answer by MSeifert for Python itertools groupby
The functions groupby and takewhile aren't good fits for this sort of problem.groupbygroupby groups based on a key function. That means you need to keep the last encountered first non whitespace tuple...
View ArticleAnswer by Eugene Yarmash for Python itertools groupby
Not that I recommend it, but to use itertools.groupby() for this, you'd need a key function that remembers the last used key. Something like this:def keyfunc(item, keys=[None]): if item[0] != keys[-1]...
View ArticleAnswer by RomanPerekhrest for Python itertools groupby
The solution using collections.defaultdict subclass:l = [('FRG', 'MCO TPA PIE SRQ', 'WAVEY EMJAY J174 SWL CEBEE '),('', 'FMY RSW APF', 'WETRO DIW AR22 JORAY HILEY4'),('', 'FMY RSW APF', 'WETRO DIW AR22...
View ArticlePython itertools groupby
Let's say, I have the following list of tuples[('FRG', 'MCO TPA PIE SRQ', 'WAVEY EMJAY J174 SWL CEBEE '), ('', 'FMY RSW APF', 'WETRO DIW AR22 JORAY HILEY4'),('', 'FMY RSW APF', 'WETRO DIW AR22 JORAY...
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