Spruce - Angela Fan #48
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kyra-patton
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Jul 22, 2022
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🌸 Nice work, Angela. I left a comment on your __str__ implementation for queue - it doesn't quite consider all of the cases it needs to for a queue implemented with a circular buffer. Additionally, I'd like for you to fill out the comprehension questions for a green score. Let me know what questions you have.
🟡
| Raises a QueueFullException if all elements | ||
| In the store are occupied | ||
| returns None | ||
| """ |
| """ Removes and returns an element from the Queue | ||
| Raises a QueueEmptyException if | ||
| The Queue is empty. | ||
| """ |
| self.front = 0 | ||
| return element | ||
|
|
||
| def front(self): |
| The Queue | ||
| """ | ||
| pass | ||
| return self.size |
| pass | ||
| return self.size | ||
|
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||
| def empty(self): |
| ending with the rear of the Queue. | ||
| """ | ||
| pass | ||
| return str(self.store[self.front:self.rear]) |
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This will only work in the case that the rear pointer has an index greater than that of the front index.
In the case that the rear pointer has wrapped around to the front of the queue, the rear pointer will be less than the front pointer and your code will end up returning an empty string.
| Returns None | ||
| """ | ||
| pass | ||
| return self.store.add_first(element) |
| if self.store.empty(): | ||
| raise StackEmptyException() | ||
| else: | ||
| return self.store.remove_first() |
| And False otherwise | ||
| """ | ||
| pass | ||
| return self.store.empty() |
| ending with the bottom of the Stack. | ||
| """ | ||
| pass | ||
| return str(self.store) |
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Stacks and Queues
Thanks for doing some brain yoga. You are now submitting this assignment!
Comprehension Questions
OPTIONAL JobSimulation