python小作业2-九九乘法表

python小作业2-九九乘法表
用for 和 while 两种方法实现

for:

i = 0
j = 0
mul = 0

for i in range(1,10,1) :
    for j in range(1,i+1,1) :
        mul = i*j
        print("%d*%d=%-2d"%(i,j,mul),end=' ')       #-2表示左对齐，输出宽度为2
    print()

while:

i = 1
j = 1
mul = 0

while i <= 9 :
    while j<= i :
        mul = i*j
        print("%d*%d=%-2d"%(i,j,mul),end=' ')       #-2表示左对齐，输出宽度为2
        j += 1
    i += 1
    j = 1
    print()