Question

How to rotate deque in Python

Answer 1

from collections import deque
   
dq = deque([1, 18, '27', 2, 'python', 26, 19, 50]) 
 
print(dq) 
 
N = 3
dq.rotate(N) 
print(dq) 

N = -3
dq.rotate(N) 
print(dq) 

N = -1
dq.rotate(N) 
print(dq) 



'''
run:

deque([1, 18, '27', 2, 'python', 26, 19, 50])
deque([26, 19, 50, 1, 18, '27', 2, 'python'])
deque([1, 18, '27', 2, 'python', 26, 19, 50])
deque([18, '27', 2, 'python', 26, 19, 50, 1])

'''

 

 

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