関連ワード:  python dataframe add column with same value    python pandas add column with same value    python dataframe add column with one value    pandas dataframe add column with same value for all rows    pandas dataframe add column with same value    python dataframe add column with value    python dataframe add column with default value    python dataframe add column with constant value    pandas dataframe add column with one value    python dataframe add column with static value  
結果 : python dataframe add column with same value