Scissors - Araceli #51
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CheezItMan
reviewed
Jan 25, 2022
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| if self.front == -1: | ||
| self.front = 0 | ||
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| self.rear = (self.rear +1) % self.buffer_size | ||
| self.store[self.rear] = element | ||
| self.size += 1 |
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| def dequeue(self): | ||
| """ Removes and returns an element from the Queue | ||
| Raises a QueueEmptyException if | ||
| The Queue is empty. | ||
| """ |
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| def front(self): | ||
| """ Returns an element from the front | ||
| of the Queue and None if the Queue | ||
| is empty. Does not remove anything. | ||
| """ |
| if self.size == 0: | ||
| return None | ||
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| return self.store[self.front] | ||
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| def size(self): |
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| def size(self): | ||
| """ Returns the number of elements in | ||
| The Queue | ||
| """ | ||
| pass | ||
| return self.size | ||
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| def empty(self): |
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| def empty(self): | ||
| """ Returns True if the Queue is empty | ||
| And False otherwise. | ||
| """ | ||
| pass | ||
| return self.size == 0 | ||
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| def __str__(self): |
| @@ -12,7 +12,8 @@ def push(self, element): | |||
| """ Adds an element to the top of the Stack. | |||
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Stacks and Queues
Thanks for doing some brain yoga. You are now submitting this assignment!
Comprehension Questions
OPTIONAL JobSimulation