• 注意：输出用空间隔，不要用逗号，否则会报错
    list_1=[73, 32, 99, 97, 110, 32, 100, 111, 32, 105, 116 , 33]
for i in range(len(list_1)):
  list_1[i]=chr((list_1[i]))
  print(list_1[i],end='')