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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 get_headers(self):
 """Return header for the HTTP request."""

        headers = {
            "User-Agent": self.http_agent,
            "Content-Type": "application/json",
            "Accept": "application/json"
        }
        if self.headers:
            headers.update(self.headers)

        return headers