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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_tables(self):
 """Create tables for structure and values, word->vocabulary"""

        # structure table
        self.table_struct, self.idnt_struct_size = self._create_struct_table()
        # values table
        self.table_values, self.idnt_values_size = self._create_values_table()