Day 0: Mean, Median, and Mode

題目鏈接

自己寫的答案：

# Mean, Median, and Mode def Mean(a): # 獲取平均值a_mean = sum(a) / len(a)return '{:.1f}'.format(a_mean)def Median(n,a): # 獲取中值if n % 2 == 0:n1 = n // 2 - 1n2 = n // 2a_median = (a[n1] + a[n2]) / 2elif n % 2 != 0:a_median = a[n//2]return '{:.1f}'.format(a_median)def Mode(a):m_counts = dict()m_key = []for i in a:if i not in m_counts:m_counts[i] = 1elif i in m_counts:m_counts[i] += 1val_list = m_counts.values()min_val = max(val_list)for k,v in m_counts.items():if v == min_val:m_key.append(k)m_mode = min(m_key)return m_moden = int(input()) # len(array) alist = sorted(list(map(int,input().split()))) # input array's elementsa_mean = Mean(alist) a_median = Median(n,alist) a_mode = Mode(alist)print(a_mean) print(a_median) print(a_mode)

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