亚马逊苹果手机数据获取

    亚马逊苹果手机相关信息爬取
    import re
    from  bs4 import BeautifulSoup
    import time
    import requests
    amazon_url = 'https://www.amazon.cn/s/ref=sr_pg_2?rh=n%3A664978051%2Cn%3A665002051%2Ck%3Aiphone&page=1&bbn=665002051&keywords=iphone&ie=UTF8&qid=1523800289'
    
      
      
      
      
      
      
    

    def get_page_num(url):
    '''此函数用来要爬取总获页面数'''
    user_agent = 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko)\
    Chrome/64.0.3282.186 Safari/537.36'
    headers = {'User-Agent':user_agent}#这是头信息，伪装爬虫
    res = requests.get(url,hea