输入格式是 W1=input() W2=input() 将两个数列的数据对应求和 然后按升序排列 结果用"[""]"括起来 每个数据之间加","

def add_two_numbers():
  W1=input()
  W2=input()
  result = []
  for (a, b) in zip(W1, W2):
    result.append(a + b)
  print(sorted(result))

add_two_numbers()