def test_s_remove_at_1():
l = Ring()
l.push(5)
l.remove_at(0)
m = '[]'
assert "".join(str(l).split()) == m
def test_s_len_3():
l = Ring()
l.push(5)
l.push(2)
l.pop()
assert l.len() == 1
def test_s_remove_at_2():
l = Ring()
l.push(5)
l.push(8)
l.remove_at(1)
m = '[5]'
assert "".join(str(l).split()) == m
def test_s_remove_3():
l = Ring()
l.push(5)
l.push(6)
l.remove(19)
m = '[5,6]'
assert "".join(str(l).split()) == m
def test_s_get_2():
l = Ring()
l.push(10)
l.push(11)
l.push(12)
assert l.get(1) == 11
def test_s_get_1():
l = Ring()
l.push(10)
l.push(11)
l.push(12)
assert l.get(0) == 10
def test_s_get_4():
l = Ring()
l.push(1)
l.push(2)
l.push(4)
assert l.get(5) == 4