Python3でjsonを返却するwebAPIにアクセスして結果を出力するまで

今回は天気情報を返してくれるopenweathermap.orgのAPIにアクセス

import urllib.request
import json

url = 'http://api.openweathermap.org/data/2.5/weather?q=Tokyo,jp'
response = urllib.request.urlopen(url)
content = json.loads(response.read().decode('utf8'))
print(content)

出力結果

{
    "base": "stations", 
    "clouds": {
        "all": 40
    }, 
    "cod": 200, 
    "coord": {
        "lat": 35.69, 
        "lon": 139.69
    }, 
    "dt": 1439347788, 
    "id": 1850147, 
    "main": {
        "humidity": 70, 
        "pressure": 1005, 
        "temp": 305.28, 
        "temp_max": 312.04, 
        "temp_min": 299.82
    }, 
    "name": "Tokyo", 
    "sys": {
        "country": "JP", 
        "id": 7619, 
        "message": 0.014, 
        "sunrise": 1439323035, 
        "sunset": 1439372096, 
        "type": 1
    }, 
    "visibility": 10000, 
    "weather": [
        {
            "description": "scattered clouds", 
            "icon": "03d", 
            "id": 802, 
            "main": "Clouds"
        }
    ], 
    "wind": {
        "deg": 110, 
        "speed": 2.6
    }
}