Question

How to rotate deque right and left in Python

Answer 1

import collections     

d = collections.deque(range(10)) 
print(d) 

d.rotate(3)
print(d) 

d.rotate(-4)
print(d) 




'''
run:

deque([0, 1, 2, 3, 4, 5, 6, 7, 8, 9])
deque([7, 8, 9, 0, 1, 2, 3, 4, 5, 6])
deque([1, 2, 3, 4, 5, 6, 7, 8, 9, 0])

'''

 

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