# Dumping queue into list or array in Python 
# Python program to
# demonstrate queue implementation
# using collections.dequeue
   
from collections import deque
   
# Initializing a queue
q = deque()
   
# Adding elements to a queue
q.append('a')
q.append('b')
q.append('c')
  
# display the queue
print("Initial queue")
print(q,"\n")
  
# display the type
print(type(q))