append method in Python..

Question

in the code..
list1=[1,2,3,4]
list2=list1
list1.append(5)
print(list2)
OUTPUT:
[1,2,3,4,5]
why the changes made in list1 is reflected to list2 ?
(is it like in c++ we work with addresses ?)

Answer 1

because list2 ist the same as list1 just with another name

Answer 2

If u made changes in the list1 it also make changes to list 2