使用每个城市的所有可能组合计算5个城市之间的地理距离

import requests

# 腾讯地图API密钥
key = "your_tencent_map_api_key"

# 城市列表
cities = ["北京", "上海", "广州", "深圳", "成都"]

# 获取城市经纬度
def get_location(city):
    url = f"https://apis.map.qq.com/ws/geocoder/v1/?address={city}&key={key}"
    response = requests.get(url)
    data = response.json()
    location = data["result"]["location"]
    return location["lat"], location["lng"]

# 计算地理距离
def calculate_distance(lat1, lng1, lat2, lng2):
    url = f"https://apis.map.qq.com/ws/distance/v1/?mode=driving&from={lat1},{lng1}&to={lat2},{lng2}&key={key}"
    response = requests.get(url)
    data = response.json()
    distance = data["result"]["elements"][0]["distance"]
    return distance

# 生成城市组合并计算距离
def calculate_distances(cities):
    distances = {}
    for i in range(len(cities)):
        for j in range(i+1, len(cities)):
            city1 = cities[i]
            city2 = cities[j]
            lat1, lng1 = get_location(city1)
            lat2, lng2 = get_location(city2)
            distance = calculate_distance(lat1, lng1, lat2, lng2)
            distances[(city1, city2)] = distance
    return distances

# 输出结果
distances = calculate_distances(cities)
for (city1, city2), distance in distances.items():
    print(f"{city1}和{city2}之间的地理距离为{distance}米")