目录索引：

python爬虫练习6：今日头条搜索图集
python爬虫练习5：博客阅读量助手
python爬虫练习4：刷浏览量
python爬虫练习3：豆瓣电影推荐页电影详情
python爬虫练习2：名言作者
python爬虫练习1：颜色颜色值

import requests
from bs4 import BeautifulSoup
hdrs={'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36'}
url="http://html-color-codes.info/color-names/"
r=requests.get(url=url,headers=hdrs)
soup=BeautifulSoup(r.content, "lxml")

#print(soup.prettify())

print(soup.title.string)
trs=soup.find_all('tr')
for tr in trs:
    style=tr.get('style')
    tds=tr.find_all('td')
    td=[x for x in tds]
    name=td[1].text
    hex=td[2].text
    print('颜色：%-20s值：%-20s样式：%-20s'%(name,hex,style))

结果：

D:\softInstall\Python36\python.exe E:/SourceCode/PythonWP/pachong/index.py
Color Names
颜色：IndianRed           值：CD5C5C              样式：background-color:indianred;
颜色：LightCoral          值：F08080              样式：background-color:lightcoral;
颜色：Salmon              值：FA8072              样式：background-color:salmon;
颜色：DarkSalmon          值：E9967A              样式：background-color:darksalmon;
颜色：LightSalmon         值：FFA07A              样式：background-color:lightsalmon;
颜色：Crimson             值：DC143C              样式：background-color:crimson;
颜色：Red                 值：FF0000              样式：background-color:red;
颜色：FireBrick           值：B22222              样式：background-color:fireBrick;
颜色：DarkRed             值：8B0000              样式：background-color:darkred;