Python, Data Science, Data Engineering, Programming, Coding.
frozenset3 = frozenset1 & frozenset2 # intersection frozenset3 = frozenset1 - frozenset2 # difference frozenset3 = frozenset1 ^ frozenset2 # symmetric difference # We cannot add or remove items from a frozenset frozenset1.add(6) # AttributeError: 'frozenset' object has no attribute 'add'