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ZhouYang1993/pop_and_append.py

Created September 11, 2022 17:18
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deque in Python
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pop_and_append.py
from collections import deque
dq1=deque([1,2,3,4,5])
print(dq1)
# deque([1, 2, 3, 4, 5])
dq1.popleft()
print(dq1)
# deque([2, 3, 4, 5])
dq1.appendleft(9)
print(dq1)
# deque([9, 2, 3, 4, 5])
dq1.pop()
print(dq1)
# deque([9, 2, 3, 4])
dq1.append(8)
print(dq1)
# deque([9, 2, 3, 4, 8])
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