詳細文字教程: https://morvanzhou.github.io/tutorials/ python3 pandas 基礎 教學教程 本節練習代碼: https://github.com/MorvanZhou/tutorials/blob/master/numpy%26pandas/12_selectio... 影片來源：https://morvanzhou.github.io/tutorials/data-manipulation/np-pd/3-2-pd-indexing/