一、IDE的选择和安装

软件名称	特点
IDLE	python自带、支持300行以下
Sublime Text	专业编程、调试一般
Pycharm	简单方便
SPYder	专业的科学计算和数据分析

二、安装

PYTHON安装

记得添加到path里面
win10-python安装
python下载地址

requests库安装

Requestsg网址

管理员权限打开cmd输入：
#pip install requests //如果出现问题：
安装requests库时，输入：pip install requests，发生错误：WARNING: You are using pip version 19.2.3, however version 20.1 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.
解决方法：输入：pip3 install --index-url https://pypi.douban.com/simple requests
出现：WARNING: You are using pip version 19.2.3, however version 20.1 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.
再次输入：python -m pip install --upgrade pip --index-url https://pypi.douban.com/simple requests
成功安装//安装完成测试
#python
#import requests
r = requests.get("http://www.baidu.com")
r.status_code