concatenate list code example

Example 1: merge two lists

# Makes list1 longer by appending the elements of list2 at the end.
list1.extend(list2)

Example 2: how to combine two lists in python

l1 = ["a", "b" , "c"]
l2 = [1, 2, 3]
l1 + l2
>>> ['a', 'b', 'c', 1, 2, 3]

Example 3: concatenate list of strings python

listvalues = ['a', 'b', 'c']
concstring = ''.join(l)

Example 4: merge lists in list python

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

Example 5: python concatenate list of lists

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

result = sum(x, [])