関連ワード:  python change first character in string    python replace first character in string    python replace only first character in string    python change first character of string to uppercase    python replace first two characters in string    python replace first 3 characters in string    python change first letter of string    python replace first x characters in string    python replace first few characters in string    python replace first 5 characters in string  
結果 : python change first character in string