pyience.py 文件源码

def _split_into_groups(iterable, ngroups=-1, fractions=None, shuffle=True):
    if shuffle:
        iterable = np.copy(iterable)
        np.shuffle(iterable)

    start_idxs, end_idxs = _group_start_end_idxs(len(iterable), ngroups,
        fractions)

    return [iterable[start:end] for start, end in zip(start_idxs, end_idxs)]