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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 is_fulltrack_available(self):
 """Returns True if the full track is available for streaming."""


        doc = self._request(self.ws_prefix + ".getInfo", True)
        return (
            doc.getElementsByTagName("streamable")[0].getAttribute("fulltrack") == "1"
        )