Answers for "pandas groupby list of lists"

group by pandas to list

df.groupby('a')['b'].apply(list)

Posted by: Guest on April-26-2021

group by list python

values = set(map(lambda x:x[1], mylist))
newlist = [[y[0] for y in mylist if y[1]==x] for x in values]

Posted by: Guest on January-14-2021

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