Switching between Ortho and Perspective

Coding Beginning Blender Code and Development
1

Hy togehter! How can i switch between Ortho and Perspective View?

if context.space_data.view_persp ??? is not None:
bpy.ops.view3d.view_persportho()???
else:
print(self)
self.report({‘INFO’}, “Please use Perspective Mode”)

Thank for every help!