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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, h5file=None):
 """Create a copy of the current instance This is done by recursively copying the underlying hdf5 data. Parameters h5file: str, h5py.File, h5py.Group, or None see `QPImage.__init__` """

        h5 = copyh5(self.h5, h5file)
        return QPImage(h5file=h5, h5dtype=self.h5dtype)