/Python/Concatenate List

Concatenate List

Python concatenate list of lists

x = [["a","b"], ["c"]]

result = sum(x, [])

2

Source: stackoverflow.com

Concatenate List

sample_list1 = [0, 1, 2, 3, 4] 
sample_list2 = [5, 6, 7, 8] 
 
result = sample_list1 + sample_list2 
 
print ("Concatenated list: " + str(result))

1

Source: favtutor.com

Merge lists in list python

import itertools
a = [['a','b'], ['c']]
print(list(itertools.chain.from_iterable(a)))

0

Source: stackoverflow.com

Concatenate lists

>>> t1 = ['a', 'b', 'c']
>>> t2 = ['d', 'e']
>>> t1.extend(t2)
>>> print(t1)
['a', 'b', 'c', 'd', 'e']

0

Source: py4e.com

Concatenate lists

>>> a = [1, 2, 3]
>>> b = [4, 5, 6]
>>> c = a + b
>>> print(c)
[1, 2, 3, 4, 5, 6]

0

Source: py4e.com

How to concatenate all list inside list

>>> x = [["a","b"], ["c"]]
>>> [inner
...     for outer in x
...         for inner in outer]
['a', 'b', 'c']

0

Source: stackoverflow.com

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