What are now the contents of What is now the contents of queue1 (with front of the queue listed leftmost)?

Given two initially empty queues, queue1 and queue2 and the following commands.
queue1.enqueue(1)
queue1.enqueue(2)
queue2.enqueue(3)
queue2.enqueue(4)
queue1.dequeue()
queueFront = queue2.peekFront()
queue1.enqueue(queueFront)
queue1.enqueue(5)
queue2.dequeue()
queue2.enqueue(6)

a. 2, 3, 5
b. 5, 3, 2
c. 4, 6
d. 6, 4


a. 2, 3, 5

Computer Science & Information Technology

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