Flatten list python

Python flat list from list of list

flat_list = [item for sublist in l for item in sublist]

#which is equivalent to this 
flat_list = []
for sublist in l:
    for item in sublist:
        flat_list.append(item)

Source: stackoverflow.com

Flatten a list of lists python

flattened = [val for sublist in list_of_lists for val in sublist]

Source: stackoverflow.com

Flatten a list of list python

# idiomatic python

# using itertools
import itertools

list_of_list = [[1, 2, 3], [4, 5], [6]]
chain = itertools.chain(*images)

flattened_list = list(chain)
# [1, 2, 3, 4, 5, 6]

Python flatten list

itertools.chain.from_iterable(factors)

Python flatten list

l = [[1, 2], [3, 4], [5, 6, 7]]
flat_list = [item for sublist in l for item in sublist]
# flat_list = [1, 2, 3, 4, 5, 6, 7]

Flatten list python

def flatten(L):
    for item in L:
        try:
            yield from flatten(item)
        except TypeError:
            yield item

list(flatten([[[1, 2, 3], [4, 5]], 6]))
>>>[1, 2, 3, 4, 5, 6]

Source: stackoverflow.com

Similar codes

0 vote119 views1 answer
Name 'Pipeline' is not defined
Python
-1 vote112 views2 answers
How to url encode using python django
Python
6 votes117 views2 answers
Flask docker
Python
0 vote124 views3 answers
Saving 3D plots on python as png
Python
0 vote74 views1 answer
FunÃ§Ã£o anonima python
Python
0 vote152 views1 answer
Django project files
Python Django
0 vote124 views1 answer
How to append substring to string in specific position in python
Python
0 vote114 views3 answers
How to join two dataframes by 2 columns so they have only the common rows?
Python
0 vote121 views1 answer
Narcissistic number python
Python
0 vote118 views1 answer
Who is agada nathan
Python