Delete on a copy of a copy 2D dictionnary

Question

When I delete an element from a copy of 2D dictionnary, i realise that this delete was done also on.the original 2D dictionnary, but with dictionnary of 1D dictionnary i don t have this issue.
Look at the code bellow
https://code.sololearn.com/cx7pHL45W70g/?ref=app

Answer 1

You can use copy.deepcopy method to fix this problem with multidimensional iterables:
import copy

net1copy=copy.deepcopy(net1)
net2copy=copy.deepcopy(net2)

Answer 2

Thanks Seb for your help, i had imported copy and applicate the method copy.deepcopy, and now it is functionning