python高德地图webAPI：地理编码将地址信息转化为经纬度坐标

import requests
import json
import time
# 高德地址编码web-API
def get_urls(add):
    url = "https://restapi.amap.com/v3/geocode/geo?address=" + str(add)
    url = url + "&output=json&key=4d9a765939a2b765**"
    r = requests.get(url)
    res = json.loads(r.text)
    # 数据格式化;
    content = str(add) + "," + str(res['geocodes'][0]['location']) + "\n"
    #  写入文件
    with open(r'data.csv', 'a') as d:
        d.write(content)
    return ""
# 读取地址信息;
with open(r'add.txt', 'r', encoding='utf-8') as f:
    # 读取地址信息列表
    address = f.read().split()
    # 地址转换
    i = 0
    for item in address:
        # 调用API封装函数;
        get_urls(item)
        print("第{}个地址已转换".format(i + 1))
        if i % 99 == 0 and i > 0:
            print("第", i + 1, "个数据，执行延迟策略.")
            time.sleep(1)
        i += 1