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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 read_value(self, dtype='uint64', count=1, advance=True):
 """ Read one or more scalars of the indicated dtype. Count specifies the number of scalars to be read in. """

        data = np.frombuffer(self._blob, dtype=dtype, count=count, offset=self.pos)
        if advance:
            # probably the same thing as data.nbytes * 8
            self._pos += data.dtype.itemsize * data.size
        if count == 1:
            data = data[0]
        return data