Data-structures/deque.py at master · ssn3192/Data-structures · GitHub

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class Deque:
    def __init__(self):
        self.items = []

    def isEmpty(self):
        return self.items == []

    def size(self):
        return len(self.items)

    def addRear(self,item):
        self.items.append(item)

    def addFront(self,item):
        self.items.insert(0,item)

    def removeRear(self):
        return self.items.pop()

    def removeFront(self):
        return self.items.pop(0)

    def getElements(self):
        return self.items


dq = Deque()
dq.addRear(12)
dq.addRear("shivani")
dq.addRear(1223)
dq.addFront(22)
print(dq.size())
dq.removeFront()
dq.removeRear()
dq.addRear("true")
dq.removeRear()
print(dq.isEmpty())
print(dq.size())
print(dq.getElements())