Data Makes Our Future

import pandas as pdimport numpy as npfrom pandas import Series, DataFrame # 데이터 병합(Join) - pandas.mergedf1.merge?df1.merge(right, how='inner', on=None, left_on=None, right_on=None, left_index=False, right_index=False, sort=False, suffixes=('_x', '_y'), copy=True, indicator=False, validate=None) # 주요 옵션# how : join 방법 (default는 inner join), - Outer Join은 'outer' / Inner Join은 'inner' / Left Join은..