python 案例008（九九乘法表）

两层数据嵌套

#!/usr/bin/python# -*- coding:UTF-8 -*-""""print (9 9 )  --> Multiplication Table"""for x in range(1,10):    print    for k in range(1,x+1):   # do not miss the range function        print "%d * %d = %s" %(x,k,str(x*k).ljust(3)), # if do not want to line feed  , need the comma at the end the line"""怎么把不满两位的地方数据补全两位 ？？1 * 1 = 12 * 1 = 2   2 * 2 = 43 * 1 = 3   3 * 2 = 6   3 * 3 = 94 * 1 = 4   4 * 2 = 8   4 * 3 = 12  4 * 4 = 165 * 1 = 5   5 * 2 = 10  5 * 3 = 15  5 * 4 = 20  5 * 5 = 256 * 1 = 6   6 * 2 = 12  6 * 3 = 18  6 * 4 = 24  6 * 5 = 30  6 * 6 = 367 * 1 = 7   7 * 2 = 14  7 * 3 = 21  7 * 4 = 28  7 * 5 = 35  7 * 6 = 42  7 * 7 = 498 * 1 = 8   8 * 2 = 16  8 * 3 = 24  8 * 4 = 32  8 * 5 = 40  8 * 6 = 48  8 * 7 = 56  8 * 8 = 649 * 1 = 9   9 * 2 = 18  9 * 3 = 27  9 * 4 = 36  9 * 5 = 45  9 * 6 = 54  9 * 7 = 63  9 * 8 = 72  9 * 9 = 81"""