it.product+列表查询（Py）

from itertools import product

pd=list(product(*[[0,1,2,3,4,5,6,7,8,9] for i in range(4)]))
pd=[i for i in pd if i[0]!=i[1] and i[0]!=i[2] and 
   i[0]!=i[3] and i[1]!=i[2] and i[1]!=i[3] and i[2]!=i[3]]
n=int(input())
print(*pd[n])