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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_samtools0_path(self):
 """Retrieve PATH to the samtools version specific for eriscript. """

        samtools_path = os.path.realpath(os.path.join(self._get_ericscript_path(),"..", "..", "bin"))
        return samtools_path