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36 lines
873 B
Python
36 lines
873 B
Python
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"""Queue represented by a python list"""
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class Queue():
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def __init__(self):
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self.entries = []
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self.length = 0
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"""Enqueues {@code item}
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@param item
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item to enqueue"""
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def enqueue(self, item):
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self.entries.append(item)
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self.length = self.length + 1
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print(self.entries)
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"""Dequeues {@code item}
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@requirement: |self.length| > 0
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@return dequeued
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item that was dequeued"""
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def dequeue(self):
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self.length = self.length - 1
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dequeued = self.entries[0]
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self.entries = self.entries[1:]
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return dequeued
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"""Enqueues {@code item}
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@return item at front of self.entries"""
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def front(self):
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return self.entries[0]
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"""Returns the length of this.entries"""
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def length(self):
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return self.length
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