関連ワード:  python check if something is not none    python check if object is not none    python check if object is not nonetype    python check if something is not null    python check if object is not null    python check if is not none    python check if variable is not none    python check if value is not none    python check if string is not none    python check if string is not none or empty  
結果 : python check if something is not none