在我的谷歌驅動器中，我有一個名為的文件夾Colab Notebooks/data/，如何將此路徑附加到系統，這樣我就不必提供數據文件的全名？我的嘗試：from google.colab import drivedrive.mount('/content/drive')dat_dir = 'drive/My Drive/Colab Notebooks/data/' # read dataimport pandas as pdpd.read_csv(dat_dir + 'titanic_kaggle_train.csv') # this works我要這個pd.read_csv('titanic_kaggle_train.csv') # Here, I dont have full path我試過import syssys.path.append(dat_dir) # did not work# another attempt (did not work)!export PYTHONPATH=$HOME/drive/My\ Drive/Colab\ Notebooks/data/:$PYTHONPATH問題這個命令如何工作？pd.read_csv('titanic_kaggle_train.csv')