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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 _assembled_out_file_name(self):
 """Checks file name is set for assembled output. Returns absolute path."""

        if self.Parameters['-s'].isOn():
            assembled_reads = self._absolute(str(self.Parameters['-s'].Value))
        else:
            raise ValueError(
                "No assembled-reads (flag -s) output path specified")
        return assembled_reads