# 九九乘法表

 print("                             九九乘法表")

 for table_x in range(1,10):

     for table_y in range(1,table_x +1):

         print('{}x{}={}'.format(table_x,table_y,table_x*table_y),end='    ')# end = ‘  ’表示打印不换行，显示空格

     print('')