"""
Filename: data_util.py
Maintainers: otomadmt

A data util for Kaggle competition 2019 Summer.

"""

import numpy as np


class DataLoader:
    pass


class DataSampler:

    def sample(self):
        """
        Input an iterator and partitions to sample.

        Parameters
        ----------

        Returns
        -------

        """
        pass

    def reservoir(self):
        pass
