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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 bin_path(self, release=None):
 """Get the bin path for a particular release."""

        if release:
            for r in self.releases:
                if release in r:
                    return self.releases[r]
            raise MongoOrchestrationError("No such release '%s' in %r"
                                          % (release, self.releases))
        if self.default_release:
            return self.releases[self.default_release]
        if self.releases:
            return list(self.releases.values())[0]
        return ''