関連ワード:  python check if string contains letters    python check if string contains letters and numbers    python check if string contains letters only    python check if string has letters    python check if string contains character    python check if string contains character from list    python check if string contains alphabets    python check if string contains characters other than    python check if string contains characters not in list    python check if string contains only letters and spaces  
結果 : python check if string contains letters