関連ワード:  check if variable has value in python    check if variable is empty in python    check if variable value is null in python    check if variable is not empty in python    python check if var has value    check if var is empty python    python check if variable contains value    python check if variable is value    check if variable is null or empty in python    check if variable is empty list python  
結果 : check if variable has value in python