1。编写个程序，显示下面的图案
A    1                                                           B    12345
      12                                                                1234
      123                                                              123
      1234                                                            12
      12345                                                           1

2。编写个程序，生成下面的图案
   * * * * * * *
   * * * * * *
   * * * * *
   * * * *
   * * *
   * *
   *