jupyter notebookで作業開始時のお決まりテンプレート

pip install japanize-matplotlib

import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
import japanize_matplotlib
import seaborn as sns

%matplotlib inline

#Google Driveマウント
from google.colab import drive
drive.mount('/content/drive')

#csvファイルオープン
dir_path = '/content/drive/MyDrive/project/'
df = pd.read_csv(dir_path + 'train.csv')