Question

How to create an immutable set in Python

Answer 1

fst = frozenset([1, 2, 3, 4, 5])
print(fst) 

# st.add(6) # AttributeError: 'frozenset' object has no attribute 'add'

st = [fst]
print([list(x) for x in st])

lst = list(fst)
print(lst)
print(lst[0])


'''
run:

frozenset({1, 2, 3, 4, 5})
[[1, 2, 3, 4, 5]]
[1, 2, 3, 4, 5]
1

'''

 

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