D24—【1050. 合作过至少三次的演员和导演】

原题链接：https://leetcode.cn/problems/actors-and-directors-who-cooperated-at-least-three-times/?envType=study-plan-v2&envId=30-days-of-pandas&lang=pythondata

编写解决方案找出合作过至少三次的演员和导演的 id 对 (actor_id, director_id)。

import pandas as pd

def actors_and_directors(actor_director: pd.DataFrame) -> pd.DataFrame:
    df = actor_director.groupby(['actor_id','director_id']).size().reset_index(name='counts')
    return df[df['counts']>=3][['actor_id','director_id']]