importmicropythonasmicropython# check we can get and set the levelmicropython.opt_level(0)print(micropython.opt_level())micropython.opt_level(1)print(micropython.opt_level())# check that the optimisation levels actually differmicropython.opt_level(0)exec('print(__debug__)')micropython.opt_level(1)exec('print(__debug__)')exec('assert 0')