python学习-乘法口诀

# reference : introduction to programming using python(Y.Daniel Liang)

正方形形状的表现方法（乘法口诀中有重复项）

print(' Multiplication Table')
# display the number title
print('   ',end=' ')
for j in range(1,10):

print('   ',j,end='')

print()# jump to the new line
print('--------------------------------------------------')


for i in range(1,10):

print(i,'|',end=' ')

for j in range(1,10):

print(format(i*j,"4d"),end=' ')

print()

三角形形状的表现方法
for i in range(1,10):

for j in range(1,10):

if (j<=i):

print(format(i,'2d'),'×',format(j,'2d'),'=',format(i*j,'2d'),' ',end=' ')

print()