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Rock: Juliana - All test passing. #45

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Stacks and Queues

Thanks for doing some brain yoga. You are now submitting this assignment!

Comprehension Questions

Question Answer
What is an ADT?
Describe a Stack
What are the 5 methods in Stack and what does each do?
Describe a Queue
What are the 5 methods in Queue and what does each do?
What is the difference between implementing something and using something?

OPTIONAL JobSimulation

Question Answer
Did you include a sample run of your code as a comment?

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@CheezItMan CheezItMan left a comment

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Nice work Juliana. You hit the learning goals here. Well done.

self.store = [None] * INITIAL_QUEUE_SIZE
self.buffer_size = INITIAL_QUEUE_SIZE
self.front = -1
self.rear = -1
self.size = 0


def enqueue(self, element):

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👍


self.store[self.rear] = element
self.rear = (self.rear + 1) % self.buffer_size
self.size += 1

def dequeue(self):

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👍


def empty(self):
""" Returns True if the Queue is empty
And False otherwise.
"""
pass
return self.size == 0

def __str__(self):

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👍 Nicely done

@@ -12,7 +12,7 @@ def push(self, element):
""" Adds an element to the top of the Stack.

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👍 The stack methods work!

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2 participants