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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def copy(self):
 """Create a flat copy of the dict."""

        missing = object()
        result = object.__new__(self.__class__)
        for name in self.__slots__:
            val = getattr(self, name, missing)
            if val is not missing:
                setattr(result, name, val)
        return result