#frozenset

Description: Convert a value to a frozenset.

def frozenset(x):
    '''
    Convert a value to a frozenset.

    :param x: A variable
    :return: The value converted to a frozenset
    '''

Example:

print(frozenset({1, 2, 3}))

frozenset is an immutable version of set. Once created, its elements cannot be changed. It is hashable and can be used as a dictionary key or added to other sets.