百度一下： https://www.baidu.com/s?ie=utf-8&f=8&rsv_bp=1&tn=monline_3_dg&wd=module%20%27urllib.request%27%20has%20no%20attribute%20%27urlretrievel%27%20&oq=Attribute%2526gt%253Brror%253A%2520module%2520%2526%252339%253Burllib.request%2526%252339%253B%2520has%2520no%2520attribute%2520%2526%252339%253Burlretrievel%2526%252339%253B&rsv_pq=f49553af000ae350&rsv_t=5847rHSINmtvoLt1bLCv38Pbrxa7P1PnNvlVpF9UISNK%2BZQPO470lQyJNB7Yr163tPpO&rqlang=cn&rsv_enter=0&rsv_dl=tb&rsv_btype=t&inputT=309&rsv_sug3=6&rsv_sug2=0&rsv_sug4=2889
