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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def tags_in_string(msg):
 """ Return the set of tags in a message string. Tags includes HTML tags, data placeholders, etc. Skips tags that might change due to translations: HTML entities, <abbr>, and so on. """

    def is_linguistic_tag(tag):
        """Is this tag one that can change with the language?"""
        if tag.startswith("&"):
            return True
        if any(x in tag for x in ["<abbr>", "<abbr ", "</abbr>"]):
            return True
        return False

    __, tags = Converter().detag_string(msg)
    return set(t for t in tags if not is_linguistic_tag(t))