#九九乘法表一
for i in range(1,10):
j =9
while j >= i:
print(i,"*",j,"=",j*i,end="\t")
j -=1
print()
print("第二种格式")
#九九乘法表二
for i in range(1,10):
j = 1
while j <= i:
print(j,"*",i,"=",i*j,end="\t")
j += 1
print()
运行结果: