[백준] 셀프넘버 4673 Python

natural_number  = set(range(1,10001))
noself_number = set()
 
for i in range(1,10001):
    for j in str(i):
        i += int(j)
    noself_number.add(i)
 
self_number = natural_number - noself_number
 
for i in sorted(self_number):
    print(i)