How do you add lists in Python?

In Python, use list methods append() , extend() , and insert() to add items (elements) to a list or combine other lists. You can also use the + operator to combine lists, or use slices to insert items at specific positions.

How do I add one list to another list in Python?

How to append one list to another list in Python

1. Use list. extend() to combine two lists. Use the syntax list1. extend(list2) to combine list1 and list2 .
2. Use list. append() to add a list inside of a list. Use the syntax list1.
3. Other solutions. Use itertools.chain() to combine many lists.

Can two lists be added?

The most conventional method to perform the list concatenation, the use of “+” operator can easily add the whole of one list behind the other list and hence perform the concatenation. List comprehension can also accomplish this task of list concatenation.

How do you create multiple lists in one list Python?

Append multiple lists at once in Python

1. Using + operator. The + operator does a straight forward job of joining the lists together.
2. With zip. The zip function brings together elements form each of the lists from the same index and then moves on to the next index.
3. With itertools. chain.

How do you add two lists in element wise?

Use zip() to add two lists element-wise

1. list1 = [1, 2, 3]
2. list2 = [4, 5, 6]
3. sum_list = [] initialize result list.
4. for (item1, item2) in zip(list1, list2):
5. sum_list. append(item1+item2)
6. print(sum_list) [(1 + 4), (2 + 5), (3 + 6)]

How do I add multiple values to a list?

You can use the sequence method list. extend to extend the list by multiple values from any kind of iterable, being it another list or any other thing that provides a sequence of values. So you can use list. append() to append a single value, and list.

What is extend in Python?

extend() is a built-in Python function that adds the specified list elements (or any iterable) to the end of the current list. For example, the extend() method appends the contents of seq to the list. It extends the list by adding all list elements (passed as an argument) to the end.

How do you sum two lists?

Use zip() to find the sum of two lists

1. list1 = [1, 2, 3]
2. list2 = [4, 5, 6]
3. zipped_lists = zip(list1, list2) `zipped_lists` contains pairs of items from both lists.
4. sum = [x + y for (x, y) in zipped_lists] Create a list with the sum of each pair.
5. print(sum)

How do I add multiple lists to a list?

How do you add a 3 list in Python?

Python 3 – List append() Method

1. Description. The append() method appends a passed obj into the existing list.
2. Syntax. Following is the syntax for append() method − list.append(obj)
3. Parameters. obj − This is the object to be appended in the list.
4. Return Value.
5. Example.
6. Result.