python1到9的阶乘代码

下面是Python中1-9的阶乘代码：

# 阶乘函数
def factorial(n):
    if n == 0:
        return 1
    else:
        return n * factorial(n-1)

# 计算1-9的阶乘
for i in range(1, 10):
    print("{}! = {}".format(i, factorial(i)))