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dequeue method does not return a value #1

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davidleasure opened this issue Jan 24, 2020 · 0 comments

davidleasure commented Jan 24, 2020 •

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In Ch05, does queue_node.py queue class need a method of peeking at the data? I argue it should to hide the data structure.

def peek(self):
if self.head == None:
return None
else:
return self.head.data

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