Dumping queue into list or array in Python
Last Updated :
31 Dec, 2020
Prerequisite: Queue in Python
Here given a queue and our task is to dump the queue into list or array. We are to see two methods to achieve the objective of our solution.
Example 1:
In this example, we will create a queue using the collection package and then cast it into the list
Python3
from collections import deque
q = deque()
q.append('a')
q.append('b')
q.append('c')
print("Initial queue")
print(q,"\n")
print(type(q))
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Output:
Initial queue
deque(['a', 'b', 'c'])
<class 'collections.deque'>
Let’s create a list and cast into it:
Python3
li = list(q)
print("Convert into the list")
print(li)
print(type(li))
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Output:
Convert into the list
['a', 'b', 'c']
<class 'list'>
Example 2:
In this example, we will create a queue using the queue module and then cast it into the list.
Python3
from queue import Queue
que = Queue()
que.put(1)
que.put(2)
que.put(3)
que.put(4)
que.put(5)
print("Initial queue")
print(que.queue)
li = list(que.queue)
print("\nConverted into the list")
print(li)
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Output:
Initial queue
deque([1, 2, 3, 4, 5])
Converted into the list
[1, 2, 3, 4, 5]
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