What will be the output of the following Python code and state the type of copy that is depicted? l$1=[2,4,6,8]$ l$2=[1,2,3]$ l$1=$l$2$ l$2$

a$.$

$[2,4,6,8],$ shallow copy

b$.$

$[2,4,6,8],$ deep copy

c$.$

$[1,2,3],$ shallow copy

d$.$

$[1,2,3],$ deep copy