Hello all, I have one mutableDictionary in which mutableArray and other object. I copy this original dictionary in new dictionary using dictionaryWithditionary. now when i reomve object from newdictionary then it not remove from originaldictionary.It working properly. But it create problem for mutableArray. When i remove one object from mutalbleArray which is in newdictionary then it also remove from original dictionary. Thank you.