how to add something on a list in python code example

Example 1: how to add item to a list python

my_list = []
item1 = "test1"
my_list.append(item1)

print(my_list) 
# prints the list ["test1"]

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

a=[1,2,3,4]

a+=[5,6]