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| from queue import * | |
| class Node: | |
| def __init__(self, val): | |
| self.data = val | |
| self.left = None | |
| self.right = None | |
| def insert(self, val): | |
| if val < self.data: |
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| class Queue: | |
| def __init__(self): | |
| self.items = [] | |
| def enqueue(self, item): | |
| self.items.append(item) | |
| def dequeue(self): | |
| return self.items.pop(0) |
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