python 全栈开发，Day89(sorted面试题,Pycharm配置支持vue语法,Vue基础语法,小清单练习)

面试题：

[11, 33, 4, 2, 11, 4, 9, 2] 去重并保持原来的顺序

答案1：

list1 = [11, 33, 4, 2, 11, 4, 9, 2]
ret = set(list1)
list2 = []
for i in list1:
    if i not in list2:
        list2.append(i)

print(list2)

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