level 1
temp = num
sum_armstrong = 0
length = len(str(num))
while temp > 0:
sum_armstrong += (temp%10)**length # 取最后一位数字
temp //= 10
if sum_armstrong == num:
return True
else:
return False
for num in range(1,1000):
if is_armstrong(num):
print(num, end = ' ')


