爬虫问题解决--UserWarning:BeautifulSoup(YOUR_MARKUP, "lxml")--Binrry(冰蕊)
问题:UserWarning:Noparserwasexplicitlyspecified,soI’musingthebestavailableHTMLparserforthissystem(“lxml”).Thisusuallyisn’taproblem,butifyourunthiscodeonanothersystem,orinadifferentvirtualenvironment,itm