def rows(letter):
    diamond: list[str] = []
    for current_letter in range(ord("A"), ord(letter) + 1):
        outter_lenght: int = ord(letter) - current_letter
        inner_lenght: int = (((ord(letter) - ord("A")) * 2) - 1) - (outter_lenght * 2)
        outter_spaces: str = outter_lenght * " "
        inner_spaces: str = inner_lenght * " "
        new_row: str = ""
        if current_letter == ord("A"):
            new_row = (
                (ord(letter) - ord("A")) * " " + "A" + (ord(letter) - ord("A")) * " "
            )
        else:
            new_row = (
                outter_spaces
                + chr(current_letter)
                + inner_spaces
                + chr(current_letter)
                + outter_spaces
            )
        diamond.append(new_row)
    for row in range(len(diamond) - 2, -1, -1):
        diamond.append(diamond[row])
    return diamond