def replace_full_stop(string: str) -> str:
    """
    Replace full width full stop character with Japanese dot character.

    :param string: String to be processed
    :type string: str
    :return: Result string
    :rtype: str

    **Example:**

    .. code-block:: python

        string = "Hello．World"
        result = replace_full_stop(string) # "Hello・World"
    """
    return string.replace("．", "・")