関連ワード:  python check if string has no letters    python check if string has any letters    python check if string contains any character    python check if string has no special characters    python check if string contains any words from list    python check if string contains characters not in list    python check if string does not contain letters    check if string has no characters python    python check if string contains any special characters    python check if string does not contain character  
結果 : python check if string has no letters