Deque in Python-question-10

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What will be the output of the following code?


from collections import deque

d = deque([1, 2, 3, 4])

d.extendleft([0, -1])

print(d)

[-1, 0, 1, 2, 3, 4]

[0, -1, 1, 2, 3, 4]

[1, 2, 3, 4, 0, -1]

[-1, 0, 1, 2, 3, 4]

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Python Deque
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