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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 links(self):
 """Returns the parsed header links of the response, if any """

        headers = self.headers or {}
        header = headers.get('link')
        li = {}
        if header:
            links = parse_header_links(header)
            for link in links:
                key = link.get('rel') or link.get('url')
                li[key] = link
        return li