def is_interned(self):
        string = self.utf8value
        if W_Symbol.all_symbols in string:
            return W_Symbol.all_symbols[string] is self
        if string in W_Symbol.unreadable_symbols:
            return W_Symbol.unreadable_symbols[string] is self
        return False
dataset/ETHPy150Open samth/pycket/pycket/values.py/W_Symbol.is_interned/swapped operands of `in`