vk_8.py

# -*- coding: utf-8 -*-
import vk_api


def main():
    login, password = 'user@user.ru', '12345678'
    vk_session = vk_api.VkApi(login, password)

    try:
        vk_session.authorization()
    except vk_api.AuthorizationError as error_msg:
        print(error_msg)
        return

    vk = vk_session.get_api()

    response = vk.friends.get(fields='sex')

    if response['items']:
        for i in response['items']:
            if i['sex'] == 1:
                vk.messages.send(user_id=i['id'], message='С 23 февраля, это Дэн')
                

if __name__ == '__main__':
    main()