import warnings
warnings.filterwarnings('ignore')
import jieba
import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
import matplotlib
from wordcloud import WordCloud
2.读取数据
#数据来自蚂蚁花呗客服对话
df=pd.read_csv('./valid.csv', sep='\t', header=None,names=['segment'])
#针对爬虫得到的不规范数据需要进行精细处理
df=df.dropna()
content=df.segment.values.tolist()
segment=[]
for line in content: