python进行词语筛选生成词云

import wordcloud
import re
import jieba
import pandas as pd
import numpy
from wordcloud import WordCloud
import matplotlib.pyplot as plt
type = ['','&percent_type=h','&percent_type=m','&percent_type=l']
for j in range(4):
    with open('影评{}'.format(type[j]) + '.txt',"r",encoding='utf-8') as f:#
    #可以选择替换txt文件
        data=