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 vote151 views2 answers
Set operators
Python
6 votes130 views2 answers
Python change working directory to file directory
Python
0 vote138 views1 answer
Currelation matrix python
Python
2 votes94 views3 answers
Typeerror: 'list' object is not callable
Python
52 votes179 views6 answers
Sorting a dictionary in python
Python
7 votes138 views2 answers
How to create a variablein python
Python
3 votes164 views1 answer
Find common words in two lists python
Python
0 vote136 views1 answer
Change column row box colour tkinter
Python
0 vote146 views1 answer
Example of input int questions in python with if statement
Python
0 vote150 views1 answer
Rectangle function numpy
Python