29 lines
609 B
Python
29 lines
609 B
Python
"""
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>>> import copy
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>>> bus1 = Bus(['Alice', 'Bill', 'Claire', 'David'])
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>>> bus2 = copy.copy(bus1)
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>>> bus3 = copy.deepcopy(bus1)
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>>> bus1.drop('Bill')
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>>> bus2.passengers
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['Alice', 'Claire', 'David']
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>>> bus3.passengers
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['Alice', 'Bill', 'Claire', 'David']
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"""
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# tag::BUS_CLASS[]
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class Bus:
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def __init__(self, passengers=None):
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if passengers is None:
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self.passengers = []
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else:
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self.passengers = list(passengers)
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def pick(self, name):
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self.passengers.append(name)
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def drop(self, name):
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self.passengers.remove(name)
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# end::BUS_CLASS[]
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