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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 dataset_list(self):
        '''Subcommand of dataset for listing available datasets'''

        # Initialize the prepare subcommand's argparser
        parser = argparse.ArgumentParser(description='Preprocess a raw dialogue corpus into a dsrt dataset')
        self.init_dataset_list_args(parser)

        # Parse the args we got
        args = parser.parse_args(sys.argv[3:])

        print(CLI_DIVIDER  + '\n')
        dsrt.application.utils.list_dataset()