機器學習 第一章 Python複習(5)pip的使用、安裝虛擬環境()、安裝BeautifulSoup庫
阿新 • • 發佈:2018-12-10
1.建立虛擬環境(win10)
配置清華大學pip映象源 C:\Users\huxia\pip\pip.ini
[global]
timeout = 60
index-url = https://pypi.tuna.tsinghua.edu.cn/simple
trusted-host = pypi.tuna.tsinghua.edu.cn
安裝virtualenv
pip install virtualenv
建立虛擬環境
cd E:\11_learningML\learningMLEnv
virtualenv learningMLEnv
進入虛擬環境
E:\11_learningML\learningMLEnv \Script\activate.bat
2.安裝BeautifulSoup
pip install beautifulsoup4
python
>>>from bs4 import BeautifulSoup
3.執行BeautifulSoup
soup=BeautifulSoup("""
<html>
<head>手寫網頁html</head>
<body>
this is my html page
</body>
</html>
""","html.parser" )
print(soup.head)