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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_filepaths(self):
 """Filters list of file paths to remove non-included, remove excluded files and concatenate full paths."""

        self._printer(str(self.__len__()) + " file paths have been parsed in " + str(self.timer.end))
        if self._hash_files:
            return pool_hash(self.filepaths)
        else:
            return self.filepaths