import vk_api 

vk_session = vk_api.VkApi('логин', 'пароль') 
vk_session.auth() 
 
vk = vk_session.get_api() 
id = "1"
user_get=vk.users.get(user_ids = (id))
user_get=user_get[0]
first_name=user_get['first_name']
last_name=user_get['last_name']
full_name=first_name+" "+last_name
print (full_name)