aplatir une liste de listes Python
flattened = [val for sublist in list_of_lists for val in sublist]
Disturbed Dogfish
flattened = [val for sublist in list_of_lists for val in sublist]s=[[1,2,3],[4,5,6],[9,3,6],[56,6,3]]
s=sum(s,[])
print(s)flat_list = []
for sublist in l:
for item in sublist:
flat_list.append(item)