Show the status of deque after each operation peek() insertFront(12) insertRear(67) deletionFront() insertRear(43) deletionRear()

Q. Show the status of deque after each operation

peek()

insertFront(12)

insertRear(67)

deletionFront()

insertRear(43)

deletionRear()

deletionFront()

deletionRear()

Answer :-

deque = [ ]

peek()
None

insertFront(12)
deque = [ 12 ]

insertRear(67)
deque = [ 12 , 67 ]

deletionFront()
deque = [ 67 ]

insertRear(43)
deque = [ 67 , 43 ]

deletionRear()
deque = [ 67 ]

deletionFront()
deque = [ ]

deletionRear()
Under Flow