def test_something(self):
position_list = PositionList()
position_list.add_last(4)
position_list.add_last(2)
position_list.add_last(3)
r = [e for e in reversed(position_list)]
self.assertEqual([3, 2, 4], r)
def test_something(self):
position_list = PositionList()
position_list.add_last(4)
position_list.add_last(2)
position_list.add_last(3)
position_list.add_last(5)
position_list.add_last(1)
self.assertEqual(5, find_max_value(position_list))
def test_something(self):
position_list = PositionList()
position_list.add_last(4)
position_list.add_last(2)
p = position_list.add_last(3)
position_list.add_last(5)
position_list.add_last(1)
self.assertEqual(p, position_list.find(3))
def test_something(self):
position_list = PositionList()
position_list.add_last(4)
position_list.add_last(2)
position_list.add_last(3)
position_list.add_last(5)
position_list.add_last(1)
self.assertEqual(5, position_list.max())
def test_something(self):
position_list = PositionList()
position_list.add_last(1)
p = position_list.add_last(3)
position_list.add_last(4)
q = position_list.add_last(7)
position_list.add_last(5)
self.assertEqual(None, has_sum_equals(position_list, 22))
self.assertEqual((p, q), has_sum_equals(position_list, 10))
def test_something(self):
position_list = PositionList()
position_list.add_last(1)
position_list.add_last(2)
p = position_list.add_last(3)
r = [e for e in position_list]
self.assertEqual([1, 2, 3], r)
position_list.move_to_front(p)
r = [e for e in position_list]
self.assertEqual([3, 1, 2], r)
def test_something(self):
position_list = PositionList()
position_list.add_last(1)
p = position_list.add_last(2)
position_list.add_last(3)
q = position_list.add_last(4)
position_list.add_last(5)
r = [k for k in position_list]
self.assertEqual([1, 2, 3, 4, 5], r)
position_list.swap(p, q)
r = [k for k in position_list]
self.assertEqual([1, 4, 3, 2, 5], r)
def test_something(self):
L = PositionList()
L.add_last(1)
L.add_last(2)
L.add_last(3)
L.add_last(4)
L.add_last(5)
L.add_last(6)
L.add_last(7)
L.shuffle()
r = [k for k in L]
self.assertEqual([1, 5, 2, 6, 3, 7, 4], r)
def top(self, k):
if not 1 <= k <= len(self):
raise ValueError("Illegal value for k")
temp = PositionList()
for item in self._data:
temp.add_last(item)
for j in range(k):
high_pos = temp.first()
walk = temp.after(high_pos)
while walk is not None:
if walk.element()._count > high_pos.element()._count:
high_pos = walk
walk = temp.after(walk)
yield high_pos.element()._value
temp.delete(high_pos)
def __init__(self):
self._data = PositionList()
def __init__(self):
self._position_list = PositionList()