slice operator using list

list we can copy  by using slice operator  ,the element of the first  list should same in the next list but when you change the element from the cloned list  that elements only changes previous list should same like before.

x=[10,20,30,40]
y=x[:]
print(x)
y[1]=111
print(id(x))
print(id(y))
print(y)
print(x)

output:
[10, 20, 30, 40]
2576163316104
2576163860680
[10, 111, 30, 40]
[10, 20, 30, 40]