打印列中每个元素的百分比

def print_percentage(column):
    total_count = len(column)
    element_count = {}

    # 计算每个元素的出现次数
    for element in column:
        if element in element_count:
            element_count[element] += 1
        else:
            element_count[element] = 1

    # 打印每个元素的百分比
    for element, count in element_count.items():
        percentage = count / total_count * 100
        print(f"{element}: {percentage:.2f}%")

# 示例数据
column = [1, 2, 3, 1, 2, 1, 3, 4, 5, 4, 3, 2, 1]

# 调用函数打印每个元素的百分比
print_percentage(column)

1: 30.77%
2: 23.08%
3: 23.08%
4: 15.38%
5: 7.69%