编程用sort进行排序，然后从最后一个元素开始判断，去重

a=[1,2,4,2,4,5,7,10,5,5,7,8,9,0,3]

a.sort()

last=a[-1]

for i in range(len(a)-2,-1,-1):
    if last==a[i]:
        del a[i]
    else:
        last=a[i]

print(a)