course_list = stu_rdd_cource_count_reduce.collect()

　　sk = ''
　　rs = 0
　　zf = 0
　　for j in range(len(course_list)):
　　　　sk = str(course_list[j]).split(',')[0].replace("('",'').replace("'",'')
　　　　rs = int(str(course_list[j]).split(',')[1].replace(')',''))
　　　　zf = int(str(stu_rdd_cource_sum_reduce.collect()[j]).split(',')[1].replace(')',''))
　　　　print(sk, rs,round(zf/rs,2))

結果可視化。 pyecharts.charts,Bar()

import pyecharts.options as opts
from pyecharts.charts import Bar

x = ['ComputerNetwork', 'Software', 'DataBase', 'Algorithm', 'OperatingSystem', 'Python', 'DataStructure', 'CLanguage']
y = [
    [142, 132, 126, 144, 134, 136, 131, 128],
    [51.9, 50.91, 50.54, 48.83, 54.94, 57.82, 47.57, 50.61]
]

bar = (
    Bar()
        .add_xaxis(x)
        .add_yaxis(series_name='總人數', y_axis=y[0])
        .add_yaxis(series_name='平均分', y_axis=y[1])
        .set_series_opts(label_opts=opts.LabelOpts(is_show=False))
        .set_global_opts(title_opts=opts.TitleOpts(title='課程', pos_left='right'))
        .set_global_opts(toolbox_opts=opts.ToolboxOpts(is_show=True),
                    yaxis_opts=opts.AxisOpts(name="總人數"),
                    xaxis_opts=opts.AxisOpts(name="課程名"),axislabel_opts=opts.LabelOpts(rotate=15))
)
bar.render()
bar.render('./bar.html')