pocketpy/tests/70_collections.py
2023-03-16 23:32:23 +08:00

16 lines
246 B
Python

from collections import Counter, deque
q = deque()
q.append(1)
q.append(2)
q.appendleft(3)
q.append(4)
assert len(q) == 4
assert q == deque([3, 1, 2, 4])
assert q.popleft() == 3
assert q.pop() == 4
assert len(q) == 2
assert q == deque([1, 2])