28 lines
890 B
Python
28 lines
890 B
Python
from typing import List, Iterator
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# юзер = его имя + список друзей
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class VkUser:
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def __init__(self, name: str, friends: List[str]):
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self.name = name
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self.friends = friends
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def get_friends(self) -> List[str]:
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return self.friends
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class VkFriendIterator(Iterator):
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def __init__(self, vk_user: VkUser):
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self._vk_user = vk_user
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self._index = 0
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def __iter__(self):
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return self
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def __next__(self):
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if self._index < len(self._vk_user.get_friends()):
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friend = self._vk_user.get_friends()[self._index]
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self._index += 1
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return friend
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else:
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raise StopIteration
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user = VkUser("Alice", ["Bob", "Charlie", "David", "Emma"])
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friends_iterator = VkFriendIterator(user)
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print(f"Friends of {user.name}:")
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for friend in friends_iterator:
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print(friend) |