经典Python题目：一个列表或者数组去重【杭州多测师】【杭州多测师_王sir】

 

list1 = [1,1,1,1,3,12,3,99,88,3,2]
list1.sort()
a = list1[-1]
for i in range(len(list1)-2,-1,-1):
    if list1[i] == a:
        list1.remove(list1[i])
    else:
        a = list1[i]
print(list1)