Python输出九九乘法表

方式一：

i = 1;

while i < 9:
    j = 1;
    while j <= i:
        print(f"{i} * {j} = { i * j }\t", end='')
        j += 1;
    i += 1;
    print()

方式二：

for i in range(1,10):
    for j in range(1,i+1):
        print(f"{i}*{j}={i*j}\t", end='')
    print()