google colab 下载数据集、挂载自己的google drive

下载数据集：

from google.colab import files
files.download('a.csv')

挂载google drive

from google.colab import drive
drive.mount('/content/gdrive')

更改运行目录

import os
os.chdir("/content/gdrive/My Drive/Colab Notebooks")

或者

import pathlib
from google.colab import drive
drive.mount('/content/gdrive')
data_dir = "gdrive/My Drive/Colab Notebooks"
data_dir = pathlib.Path(data_dir)