['__add__', '__bool__', '__class__', '__contains__', '__copy__', '__delattr__', '__delitem__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getitem__', '__gt__', '__hash__', '__iadd__', '__imul__', '__init__', '__init_subclass__', '__iter__', '__le__', '__len__', '__lt__', '__mul__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__reversed__', '__rmul__', '__setattr__', '__setitem__', '__sizeof__', '__str__', '__subclasshook__', 'append', 'appendleft', 'clear', 'copy', 'count', 'extend', 'extendleft', 'index', 'insert', 'maxlen', 'pop', 'popleft', 'remove', 'reverse', 'rotate']

from collections import deque

d = deque()

print(dir(d))

d.append(1)

d.append(10)

d.appendleft(1)

print(d)

# deque([1, 1, 10])

# d.clear()

# print(d)

# deque([])

b = d.copy()

# print(b)

# deque([1, 1, 10])

# d.extend(b)

# print(d)

# deque([1, 1, 10, 1, 1, 10])

# d.extendleft(b)

# print(d)

# deque([10, 1, 1, 1, 1, 10, 1, 1, 10])

print(d.count(1))

#

print(d.index(10))

#

d.insert(10,15)

# d.remove(1)

# deque([1, 10, 15])

print(d)

d.rotate(3)

# deque([1, 10, 15, 1])

print(d)

from queue import Queue

q = Queue()

q.put('')

q.put('')

print(q.qsize())

print(q.get_nowait())

print(q.get_nowait())

print(q.qsize())

#

#

#

#