目标网站：https://sc.chinaz.com/yinxiao/
需求：
1、翻页爬网页上的音乐名字，音乐链接
2、保存到csv
import requests
from lxml import etree
import csv
start = int(input('请输入你的起始页:'))
end = int(input('请输入你的结束页:'))
for k in range(start, end+1):
url = 'https://sc.chinaz.com/yinxiao/index_{}.html'
headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36'}
response = requests.get(url=url, headers=headers)
response.encoding = 'utf-8'
data = response.text

print(data)

html = etree.HTML(data)
div_tag = html.xpath('//div[@class="right-head"]/a')
lis = []
for a in div_tag:
    name = a.xpath('./p/text()')
    href = a.xpath('./@href')
    # print(name, href)
    name = [s.strip() for s in name]
    for i in zip(name, href):
        dic = {}
        dic['name'] = i[0]
        dic['href'] = 'https://sc.chinaz.com'+i[1]
        lis.append(dic)
        print(lis)
        with open('音效.csv', 'w', encoding='utf-8', newline='') as f:
            write = csv.DictWriter(f, fieldnames=['name', 'href'])
            write.writeheader()
            write.writerows(lis)

你题目的解答代码如下：

import requests
from lxml import etree
import csv
start = int(input('请输入你的起始页:'))
end = int(input('请输入你的结束页:'))
lis = []  #放到所有循环上边
for k in range(start, end+1):
    url = f'https://sc.chinaz.com/yinxiao/index_{k}.html'  #改下
    headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36'}
    response = requests.get(url=url, headers=headers)
    response.encoding = 'utf-8'
    data = response.text
    # print(data)
    html = etree.HTML(data)
    div_tag = html.xpath('//div[@class="right-head"]/a')
    for a in div_tag:
        name = a.xpath('./p/text()')
        href = a.xpath('./@href')
        # print(name, href)
        name = [s.strip() for s in name]
        for i in zip(name, href):
            dic = {}
            dic['name'] = i[0]
            dic['href'] = 'https://sc.chinaz.com'+i[1]
            lis.append(dic)
print(lis)
#放到所有循环之后
with open('音效.csv', 'w', encoding='utf-8', newline='') as f:
    write = csv.DictWriter(f, fieldnames=['name', 'href'])
    write.writeheader()
    write.writerows(lis)

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为什么运行结果会多一个https:？
{'name': '汽车加速离开的声音', 'href': 'https://sc.chinaz.comhttps:/yinxiao/220711552202.htm'}, {'name': '用力关门的声音MP3', 'href': 'https://sc.chinaz.comhttps:/yinxiao/220711517571.htm'}, {'name': '风铃清脆的响声MP3', 'href': 'https://sc.chinaz.comhttps:/yinxiao/220711485070.htm'}, {'name': '动感鼓点节奏音乐', 'href': 'https://sc.chinaz.comhttps:/yinxiao/220710448212.htm'}]