代码:
for i in range(1,10):
for j in range(1,10):
if i>=j:
print("%dx%d=%2d"%(i,j,i*j),end="\t")
print()输出:
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