#1 合并成字典
case_list = [a,b,c]
mean_list = [1,2,3]
result = dict(zip(case_name, mean_list))# zip 把两个list合成一个元组，dict()封成字典

#2 保存成csv
columns_name = ['case', 'mean']
    info_record = pd.DataFrame(columns = columns_name, data = zip(case_list ,mean_list))
    info_record.to_csv(path, 'xx.csv'),index=None)
    
# plt绘制png
result = dict(zip(case_name, mean_list))
    df = pd.DataFrame.from_dict(result, orient = 'index', columns = ['values'])
    plt.hist(df.values, bins = 400, log = True)
    plt.savefig(path, 'xx.png'))
    plt.close()

reference_1