Python函数demo(必须掌握)

phone_numbers_str = "匪警[110],火警[119],急救中心[120],道路交通事故报警[122],水上求救专用电话[12395]," \
                    "天气预报[12121],报时服务[12117],森林火警[12119],电力服务[95598],红十字会急救台[999]," \
                    "公安短信报警[12110],通用紧急求救[112],信产部IP/网站备案[010-66411166]"
weather_str="北京,2019年1月12日,多云,8°C,-4°C,南风3级~上海,2019年1月12日,小雨,9°C,6°C,北风2级~广州,2019年1月12日,阵雨转多云,22°C,15°C,持续无风向微风"

# 双色球随机选号
def generate_unionlooton(num):
        for i in range(0,int(num)):
                for i in range(0,6):
                        red = random.randint(1,33)
                        print(red,end=" ")
                blue = random.randint(1,16)
                print(blue)

#号码百事通
def find_phone(keyword):
        phone_list = phone_numbers_str.split(",")
        for p in phone_list:
                if p.find(keyword) != -1:
                        print(p)
# 明日天气预报
def get_weather(city):
        city_list = weather_str.split("~")
        # print(city_list)
        weather_data = {}
        for i in range(0,len(city_list)):
                w = city_list[i].split(",")
                weather = {"name":w[0],"data":w[1],"weather": w[2], "max": w[3], "min": w[4], "wind": w[5]}
                # print(weather)
                weather_data[weather["name"]] = weather
                # print(weather_data)
        if city in weather_data:
                return weather_data.get(city)
        else:
                return {}


while (True):
        print("1-双色球随机选号")
        print("2-号码百事通")
        print("3-明日天气预报")
        print("0-结束天气")
        c = input("请输入功能编号：")
        if c == "1":
                n = input("您要生成几组双色球号码：")
                generate_unionlooton(n)
        elif c == "2":
                n = input("请输入您要查询的机构或者电话号码：")
                find_phone(n)
        elif c == "3":
                n = input("请输入您要查询的城市：")
                w = get_weather(n)
                print(w)
                if "name" in w:
                        print("{data}{name} {weather} {max}/{min} {wind}".format_map(w))
                else:
                        print("未找到{0}的天气数据".format(n))
        elif c == "0":
                break
        else:
                print("您输入的功能编号有误，请重新输入")
        print("======================================")
print("感想您的使用，祝您生活愉快，再见！")