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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 headers(self):
 """All headers needed to make a request"""

        return {
            "Content-Type": ("multipart/form-data; boundary={}".format(self.boundary)),
            "Content-Length": str(self.len),
            "Content-Encoding": self.encoding,
        }