python入门学习（七）----- 删除数组中的重复数据

1、利用for…in…循环

>>> temp = []
>>> number = [1,2,3,4,5,5,3,1]
>>> for each in number:
	if each not in temp:
		temp.append(each)		
>>> 
>>> temp
[1, 2, 3, 4, 5]

2、使用集合

>>> number = [1,2,3,4,5,5,3,1]
>>>> num2 = set(number)
>>> num2
{1, 2, 3, 4, 5}