python正倒乘法表

python乘法表

正乘法表

for i in range(1, 10):
    for j in range(1, i+1):
        print ("%dx%d=%d\t" % (i, j, i*j), end="")
    print("")

結果

1x1=1	
2x1=2	2x2=4	
3x1=3	3x2=6	3x3=9	
4x1=4	4x2=8	4x3=12	4x4=16	
5x1=5	5x2=10	5x3=15	5x4=20	5x5=25	
6x1=6	6x2=12	6x3=18	6x4=24	6x5=30	6x6=36	
7x1=7	7x2=14	7x3=21	7x4=28	7x5=35	7x6=42	7x7=49	
8x1=8	8x2=16	8x3=24	8x4=32	8x5=40	8x6=48	8x7=56	8x8=64	
9x1=9	9x2=18	9x3=27	9x4=36	9x5=45	9x6=54	9x7=63	9x8=72	9x9=81	

倒乘法表

for i in range(9,0,-1):
    for j in range(i,0,-1):
        print ("%dx%d=%d\t" % (i, j, i*j), end="")
    print("")

結果

9x9=81	9x8=72	9x7=63	9x6=54	9x5=45	9x4=36	9x3=27	9x2=18	9x1=9	
8x8=64	8x7=56	8x6=48	8x5=40	8x4=32	8x3=24	8x2=16	8x1=8	
7x7=49	7x6=42	7x5=35	7x4=28	7x3=21	7x2=14	7x1=7	
6x6=36	6x5=30	6x4=24	6x3=18	6x2=12	6x1=6	
5x5=25	5x4=20	5x3=15	5x2=10	5x1=5	
4x4=16	4x3=12	4x2=8	4x1=4	
3x3=9	3x2=6	3x1=3	
2x2=4	2x1=2	
1x1=1