class Datapipeline():
    def transform_train_data(self, train_data_path):
        """
        Description of the function. 

        :param train_data_path: ......
        :return: ......
        """
        return X_train, y_train
    

    def transform_test_data(self, test_data_path):
        """
        Description of the function. 

        :param test_data_path: ......
        :return: ......
        """
        return X_test, y_test
