60 lines
1.4 KiB
Python
60 lines
1.4 KiB
Python
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# https://stepik.org/lesson/701985/step/12?unit=702086
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from typing import List
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class Thing:
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def __init__(self, name: str, weight: int):
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self.name, self.weight = name, weight
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def __repr__(self):
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return f"{self.__class__.__name__}({self.name!r}, {self.weight!r})"
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class Bag:
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def __init__(self, max_weight: int):
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self.__things: List[Thing] = []
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self.max_weight = max_weight
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def __repr__(self):
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return f"{self.__class__.__name__}({self.max_weight!r})"
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@property
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def weight(self) -> int:
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return sum(t.weight for t in self.__things)
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@property
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def remaining_weight(self) -> int:
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return self.max_weight - self.weight
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@property
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def things(self) -> List[Thing]:
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return self.__things
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def add_thing(self, thing: Thing):
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if self.remaining_weight >= thing.weight:
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self.__things.append(thing)
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def remove_thing(self, indx: int):
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del self.__things[indx]
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def get_total_weight(self) -> int:
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return self.weight
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bag = Bag(1000)
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bag.add_thing(Thing("Книга по Python", 100))
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bag.add_thing(Thing("Котелок", 500))
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bag.add_thing(Thing("Спички", 20))
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bag.add_thing(Thing("Бумага", 100))
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w = bag.get_total_weight()
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for t in bag.things:
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print(f"{t.name}: {t.weight}")
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def tests():
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...
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tests()
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