18 lines
414 B
Python
18 lines
414 B
Python
n = int(input())
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scores = [int(input()) for _ in range(n)]
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def calculate_score(scores: list) -> float:
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return (1 / 5) * sum([score * ((4 / 5) ** i) for i, score in enumerate(scores)])
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print(calculate_score(scores))
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new_scores = []
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for score in scores:
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cpy_scores = scores.copy()
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cpy_scores.remove(score)
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new_scores.append(calculate_score(cpy_scores))
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print(sum(new_scores) / len(new_scores))
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