import pandas as pdchicken07 = pd.read_csv('./data/chicken_07.csv')chicken07.tail(5) set(chicken07'연령대'), len(set(chicken07'연령대'))chicken08 = pd.read
import pandas as pdcommercial = pd.read_csv('./data/commercial.csv')commercial.groupby('상가업소번호')'상권업종소분류명'.count().sort_values(ascending=False)commerc