题解 | 统计成绩

num_subjects = int(input())
score_subjects = list(input().split())
score_list = []

def compute(score_subjects, num_subjects):
    for score in score_subjects:
        score = float(score)
        score_list.append(score)

    return max(score_list), min(score_list), sum(score_list) / num_subjects

# 元组解包
max_score, min_score, avg_score = compute(score_subjects, num_subjects)
print(f"{max_score:.2f} {min_score:.2f} {avg_score:.2f}")