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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 _set_intrinsics(self):
 """Read the intrinsics matrix from the stream. """

        strm = self._profile.get_stream(rs.stream.color)
        obj = strm.as_video_stream_profile().get_intrinsics()
        self._intrinsics[0, 0] = obj.fx
        self._intrinsics[1, 1] = obj.fy
        self._intrinsics[0, 2] = obj.ppx
        self._intrinsics[1, 2] = obj.ppy