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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 _initialize(self, funs_to_tally, length):
 """Create folder to store simulation results."""


        dir = os.path.join(self._directory, CHAIN_NAME % self.chains)
        os.mkdir(dir)

        base.Database._initialize(self, funs_to_tally, length)