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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 build_conversion_table(self, dataframes):
 """ Build conversion table from a dictionary of dataframes """

        self.data = pd.DataFrame(dataframes)
        tmp_pairs = [s.split("/") for s in self.data.columns]
        self.data.columns = pd.MultiIndex.from_tuples(tmp_pairs)