871,877d870
< 
< verify(16 // (4 // 2) == 8, '16 // (4 // 2) == 8')
< verify((16 // 4) // 2 == 2, '(16 // 4) // 2 == 2')
< verify(16 // 4 // 2 == 2, '16 // 4 // 2 == 2')
< verify((False is (2 is 3)) == True, '(False is (2 is 3)) == True')
< verify(((False is 2) is 3) == False, '(((False is 2) is 3) == False')
< verify((False is 2 is 3) == False, '(False is 2 is 3) == False')