Python - Insert list in another list

A list also the extend() method, which appends items from the list you pass as an argument. extend() − Python list method extend() appends the contents of seq to list. You can read more about it here "https://www.tutorialspoint.com/python/list_append.htm"

Now let us see hands on

Example

 Live Demo

#append
first_list = [1,2,3,4,5]
second_list = [6,7,8,9,10]
first_list.append(second_list)
# print result using append
print("The list pattern using append is : " + str(first_list))
#extend
third_list_ = [11,12,13,14,15]
fourth_list = [16,17,18,19,20]
third_list_.extend(fourth_list)
print("The list pattern using extend is : " + str(third_list_))

Output

The list pattern using append is : [1, 2, 3, 4, 5, [6, 7, 8, 9, 10]]
The list pattern using extend is : [11, 12, 13, 14, 15, 16, 17, 18, 19, 20]