Cedar - Kristin L #34
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kyra-patton
reviewed
Jun 14, 2022
| @@ -23,39 +23,75 @@ def enqueue(self, element): | |||
| In the store are occupied | |||
| returns None | |||
| """ | |||
| pass | |||
| if self.size == self.buffer_size: | |||
| self.store[self.rear] = element | ||
| # reassigns rear usng mod | ||
| self.rear = (self.rear + 1) % self.buffer_size | ||
| self.size += 1 | ||
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| def dequeue(self): |
| self.front = (self.front + 1) % self.buffer_size | ||
| self.size -= 1 | ||
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| return front | ||
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| def front(self): |
| pass | ||
| if self.empty(): | ||
| return None | ||
| return 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): |
| pass | ||
| if self.size == 0: | ||
| return True | ||
| return False | ||
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| def __str__(self): |
| @@ -12,7 +12,13 @@ def push(self, element): | |||
| """ Adds an element to the top of the Stack. | |||
| Returns None | |||
| """ | |||
| pass | |||
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| self.store.add_last(element) | |||
| # self.store.add_first(element) | ||
| # return | ||
| # self.store.tail.next = element | ||
| # self.store.tail = element | ||
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| def pop(self): | ||
| """ Removes an element from the top |
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✨ This will work, however you could also take advantage of the remove_last method in the LinkedList class
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| def empty(self): |
There was a problem hiding this comment.
✨ Again, this will work, however you could take advantage of LinkedList's empty method
| if not self.store.head: | ||
| return True | ||
| return False | ||
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| def __str__(self): |
There was a problem hiding this comment.
😎 Again, this works, but take a look at LinkedList's str method
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Stacks and Queues
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Comprehension Questions
OPTIONAL JobSimulation