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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 acts(self):
 """The autocorrelation times of each parameter. The autocorrelation time is defined as the ACL times the ``thin_interval``. It gives the number of iterations between independent samples. """

        if self.acls is None:
            return None
        return {p: acl * self.get_thin_interval()
                for (p, acl) in self.acls.items()}