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34 lines
784 B
Python
34 lines
784 B
Python
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from typing import List
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class LimitedList:
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def __init__(self, init: List[str], limit: int):
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self.data = init
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self.limit = limit
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def _is_index(self, i: int) -> bool:
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return False if i < 0 or i > len(self.data) - 1 else True
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def add(self, value: str):
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# Delete oldest element if there are too many
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if len(self.data) + 1 > self.limit:
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self.data = self.data[1:]
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self.data.append(value)
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def get(self, i: int):
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return self.data[i] if self._is_index(i) else None
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def delete(self, value: str):
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if value in self.data:
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self.data.remove(value)
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return True
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return False
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def clear(self):
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self.data = []
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def all(self):
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return self.data
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