Use of Frozensets¶

S1.isdisjoint(S2)
S1.difference(S2)

Use of Frozensets.

S1 = frozenset([1, 2, 3, 4, 5])
S2 = frozenset([3, 4, 5, 6, 7])

# Use isdisjoint().
# Return True if the set has no elements in common with other.
print(S1.isdisjoint(S2))                       # False

# Use difference().
# Return a new set with elements in the set that are not in the others.
print(S1.difference(S2))                       # frozenset({1, 2})

# New set with elements from both S1 and S2
print(S1 | S2)                                         # frozenset({1, 2, 3, 4, 5, 6, 7})

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Use of Frozensets¶