関連ワード:  join dataframes pandas based on column    merge dataframes pandas based on column    merge dataframe pandas based on column value    join two dataframes pandas based on column    join two dataframes pandas based on column with different names    join two dataframes pandas based on column value    left join dataframes pandas based on column    join multiple dataframes pandas based on column    merge two dataframes pandas based on column    merge two dataframes pandas based on column value  
結果 : join dataframes pandas based on column