Python flatten list

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 vote164 views1 answer
Gpt2 simple continue training from checkpoint
Python
10 votes176 views4 answers
Takes 1 positional argument but 2 were given python
Python
2 votes176 views1 answer
Python recursive function return none
Python
1 vote167 views3 answers
List of dict to df
Python
3 votes170 views1 answer
Python convert png to ico
Python
2 votes188 views2 answers
Scipy cosine similarity
Python
2 votes165 views1 answer
Python checking if something is equal to NaN
Python
0 vote162 views3 answers
How to print tables using python
Python
4 votes183 views2 answers
Declare array with given size python
Python
0 vote191 views1 answer
Django 2.2 disable cache settings.STATIC_URL
Python Django