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import bcolz
import pickle

def save_array(fname, arr):
    c=bcolz.carray(arr, rootdir=fname, mode='w')
    c.flush()


def load_array(fname):
    return bcolz.open(fname)[:]


def save_pickle(fname, obj):
    with open(fname, "wb") as output_file:
        pickle.dump(obj, output_file)

def load_pickle(fname):
    with open(fname, "rb") as input_file:
        return pickle.load(input_file)