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kyra-patton
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💫😎 Nice work Citlalli! I left just one suggestion down below. Let me know what questions you have.
🟢
| self.size = 0 | ||
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| def enqueue(self, element): |
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| if self.size == 0: | ||
| self.front = -1 | ||
| self.rear = -1 |
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I would recommend moving this to after line 52. If the queue is empty to start, it should be caught by your if statement on line 41. However, it may be the case that after dequeueing an element, your queue is now empty and you want to reset the front and rear pointers.
| self.rear = (self.rear + 1) % self.buffer_size | ||
| self.size += 1 | ||
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| def dequeue(self): |
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✨ Nice work! Just have one suggestion below ⬇️
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| return front_item | ||
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| def front(self): |
| return self.store[self.front] | ||
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| def size(self): |
| """ | ||
| pass | ||
| self.store.add_first(element) | ||
| return None |
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Functions return None by default. If we aren't returning any other values, we usually prefer to let the function to implicitly return None
Suggested change
| return None |
| @@ -9,30 +9,19 @@ def __init__(self): | |||
| self.store = LinkedList() | |||
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| def push(self, element): | |||
| self.store.add_first(element) | ||
| return None | ||
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| def pop(self): |
| raise StackEmptyException("Stack is empty.") | ||
| return self.store.remove_first() | ||
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| def empty(self): |
| pass | ||
| return self.store.empty() | ||
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| def __str__(self): |
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Stacks and Queues
Thanks for doing some brain yoga. You are now submitting this assignment!
Comprehension Questions
OPTIONAL JobSimulation