cython

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cdef class CheeseShop:
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    cdef object cheeses
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    def __cinit__(self):
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        self.cheeses = []
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    property cheese:
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        "A senseless waste of a property."
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        def __get__(self):
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            return "We don't have: %s" % self.cheeses
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        def __set__(self, value):
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            self.cheeses.append(value)
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        def __del__(self):
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            del self.cheeses[:]
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