9 *9 乘法表

for i in range(1,10):
    print('\t')
    for j in range(1,i+1):

        print(str(j)+'*'+str(i) +'='+str(i*j) +'  ',end='')

for i in range(1,10):
    print('\t')
    for j in range(1,i+1):

        print(str(j)+'*'+str(i) +'='+str(i*j) +'  ',end='')