関連ワード:  python way to check if string is empty    python how to check if string is empty    python best way to check if string is empty    python how to tell if string is empty    python how to check if string is null    python how to check if string is not empty    python program to check if string is empty or not    python check to see if string is empty    python check if string is empty or whitespace    python check if string is empty or none  
結果 : python way to check if string is empty