requests模块

用于发送http请求（用python模拟浏览器浏览网页）

Requests 会自动解码来自服务器的内容。大多数 unicode 字符集都能被无缝地解码。

Requests 中也有一个内置的 JSON 解码器，助你处理 JSON 数据

import requests

r = requests.get("http://www.weather.com.cn/adat/sk/101010500.html")  # 发送get请求
r.encoding = "utf-8"  # 对给返回值进行编码
a = r.text  # 拿到返回值
print(a)
"""
{"weatherinfo":
     {"city": "怀柔",
      "cityid": "101010500",
      "temp": "9",
      "WD": "南风",
      "WS": "1级",
      "SD": "29%",
      "WSE": "1",
      "time": "10:25",
      "isRadar": "1",
      "Radar": "JC_RADAR_AZ9010_JB",
      "njd": "暂无实况",
      "qy": "1007"}
 }
"""