def test_delete_2(self):
a = [0, 1, 2, 3, 4, 5]
fn = zz.delete(zz.var(a)[_1])
fn(0)
self.assertEqual(a, [1, 2, 3, 4, 5])
fn(3)
self.assertEqual(a, [1, 2, 3, 5])
def test_delete_1(self):
a = [0, 1, 2]
fn = zz.delete(zz.var(a)[0])
fn()
self.assertEqual(a, [1, 2])
fn()
self.assertEqual(a, [2])
fn()
self.assertEqual(a, [])
with self.assertRaises(IndexError):
fn()