def duration_parser(delta: str) -> str:
    """Parse time duration string into a float-like string.

    Args:
        delta (str): The time duration formatted as '00:01:45.292135'

    Returns:
        str: The time duration as seconds formatted as float-like string

    """
    t, f = delta.split(".")
    h, m, s = t.split(":")
    return f"{int(h) * 60 * 60 + int(m) * 60 + int(s)}.{f}"