# encoding: utf-8

# 定義列表去重返回有序的函式
def set_distinct_sort(list1):
    """
    :param list1: 列表
    :return: 返回列表去重後保持原來元素的順序不變
    """
    list2 = list(set(list1))
    list2.sort(key=list1.index)
    return list2


if __name__ == '__main__':
    
    list1 = [13,46,63,13,6,89,9,6]
    list2=set_distinct_sort(list1)
    print list2
 

執行結果：

D:\Python27\python.exe F:/PycharmProjects/tom/去重後保持順序不變.py
[13, 46, 63, 6, 89, 9]

Process finished with exit code 0