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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 http_persistent (response):
 """ See if the HTTP connection can be kept open according the the header values found in the response object. @param response: response instance @type response: httplib.HTTPResponse @return: True if connection is persistent @rtype: bool """

    headers = response.getheaders()
    if response.version == 11:
        return not has_header_value(headers, 'Connection', 'Close')
    return has_header_value(headers, "Connection", "Keep-Alive")