how to add a list to list in poython code example

Example 1: how to add an item to a list in python

myList = [1, 2, 3]

myList.append(4)

Example 2: how do i add to a list in python

a=[1,2,3,4]

a+=[5,6]

Example 3: how to append list in python

list1 = ["hello"]
list1 = list1 + ["world"]