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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_camera(self, angles=None, distance=None, center=None, resolution=None, fov=None):
 """ Create a camera object for self.camera, and add a transform to self.graph for it. If arguments are not passed sane defaults will be figured out which show the mesh roughly centered. Parameters angles : (3,) float Initial euler angles in radians distance : float Distance from centroid center : (3,) float Point camera should be center on camera : Camera object Object that stores camera parameters """


        if fov is None:
            fov = np.array([60, 45])

        # if no geometry nothing to set camera to
        if len(self.geometry) == 0:
            return

        # set with no rotation by default
        if angles is None:
            angles = np.zeros(3)

        rotation = transformations.euler_matrix(*angles)
        transform = cameras.look_at(self.bounds_corners,
                                    fov=fov,
                                    rotation=rotation,
                                    distance=distance,
                                    center=center)

        if hasattr(self, '_camera') and self._camera is not None:
            self.camera.fov = fov
            self.camera._scene = self
            self.camera.transform = transform
        else:
            # create a new camera object
            self.camera = cameras.Camera(fov=fov,
                                         scene=self,
                                         transform=transform)
        return self.camera