18 lines
365 B
Python
18 lines
365 B
Python
"""统计工具 —— dim4 Q4.2 劣质样本（空列表未按规格处理）。"""
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from __future__ import annotations
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def mean(values: list[float]) -> float:
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return sum(values) / len(values)
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def median(values: list[float]) -> float:
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s = sorted(values)
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n = len(s)
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return s[n // 2]
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if __name__ == "__main__":
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print("OK")
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