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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 read_bytes(self, count):
 """Read a given number of bytes from the input stream. Throws MissingBytes if the bytes are not found. Note: This method does not read from the line buffer. :return: a string """

        result = self.input.read(count)
        found = len(result)
        self.lineno += result.count(b'\n')
        if found != count:
            self.abort(errors.MissingBytes, count, found)
        return result