exploratory.io import pandas as pd df1 = pd.read_excel( "https://www.e-stat.go.jp/stat-search/file-download?statInfId=000031797656&fileKind=0", sheet_name=1, header=None, ) df1.head(10) df2 = df1.loc[df1.notnull().sum(axis=1) > 3, df1.notn…