関連ワード:  python find first character in string    python get first character in string    python check first character in string    python find first alphanumeric character in string    python find first numeric character in string    python find first alphabetic character in string    python find first character not in string    python find first repeating character in string    python find first instance of character in string    python find first occurrence of character in string  
結果 : python find first character in string