def extract(string: str, start: int, len_: int) -> str:
    """Extract a section of a certain length from a string.

    Args:
        string (str): The string to extract from.
        start (int): How many chars to move forward.
        len_ (int): The amount of chars to extract.

    Returns:
        str: The extracted string.
    """
    start -= 1
    return string[start : start + len_].strip()