方法一:
for i in range(1,10):
list2 = []
for j in range (i,10):
list2.append('%d*%d=%d'%(i,j,i*j))
print(list2)
执行结果:
['1*1=1', '1*2=2', '1*3=3', '1*4=4', '1*5=5', '1*6=6', '1*7=7', '1*8=8', '1*9=9']
['2*2=4', '2*3=6', '2*4=8', '2*5=10', '2*6=12', '2*7=14', '2*8=16', '2*9=18']
['3*3=9', '3*4=12', '3*5=15', '3*6=18', '3*7=21', '3*8=24', '3*9=27']
['4*4=16', '4*5=20', '4*6=24', '4*7=28', '4*8=32', '4*9=36']
['5*5=25', '5*6=30', '5*7=35', '5*8=40', '5*9=45']
['6*6=36', '6*7=42', '6*8=48', '6*9=54']
['7*7=49', '7*8=56', '7*9=63']
['8*8=64', '8*9=72']
['9*9=81']