【练习题】99乘法口诀

99乘法口诀

ef prints_chengfa():
    """
    打印99乘法口诀
    1*1=1
    1*2=2 2*2=4
    1*3=3 2*3=6 3*3=9
    ...
    """
    for i in range(1,10):
        for j in range(1,i + 1):
            print("{}X{}={}\t".format(j,i,i * j),end="")
        print()