sort lexo python

1#code
2def sortlexo(n):
3    w = []
4    for i in n:
5        w.append(i)
6    
7    w.sort
8    w = w[::-1]
9    for i in w:
10        print(i,end = "")
11for i in range(int(input())):
12    n= input()
13    sortlexo(n)