摘要:
df['原价']=pd.factorize(df["原价"])[0].astype(float) df['原价']=pd.factorize(df["原价"])[0].astype(int) 阅读全文
摘要:
import requests as r from lxml import etree import re,os,random,time url='http://xxx.com/xx' res=r.get(url) html=etree.HTML(res.text) title=html.xpath 阅读全文
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