layers.py 文件源码

def unique(l):
    """Filters duplicates of iterable.
    Create a new list from l with duplicate entries removed,
    while preserving the original order.
    Parameters
    ----------
    l : iterable
        Input iterable to filter of duplicates.
    Returns
    -------
    list
        A list of elements of `l` without duplicates and in the same order.
    """
    new_list = []
    seen = set()
    for el in l:
        if el not in seen:
            new_list.append(el)
            seen.add(el)

    return new_list