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GeezerVison is showing github.com — python-tutorials/algo/dequeue.py at master · feiskyer/python-tutorials Expand file tree/ Copy pathdequeue.pyMore file actions executable file ·26 lines (24 loc) · 575 Bytes / Copy pathdequeue.pyFile metadata and controlsexecutable file ·26 lines (24 loc) · 575 Bytes 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 #!/usr/bin/env python class Dequeue: def __init__(self): self.items = [] def addFront(self, item): self.items.insert(0, item) def addRear(self, item): self.items.append(item) def removeRear(self): return self.items.pop() def removeFront(self): return self.items.pop(0) def isEmpty(self): return self.items == [] def size(self): return len(self.items) if __name__=='__main__': q=Dequeue() q.addFront(3) q.addFront(5) q.addFront(8) print 'size: ', q.size() print 'dequeue: ', q.removeFront() print 'isEmpty: ', q.isEmpty() |
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