1.求n的阶乘,代码如下:
def fact(n):
s=1
for i in range(1,n+1):
s=s*i
return s
print(fact(n))
2.求a!+b!+c!,代码如下:
def fact(n):
s=1
for i in range(1,n+1):
s=s*i
return s
a,b,c=eval(input("请输入三个整数,用逗号分隔:"))
x=fact(a)+fact(b)+fact(c)
print("阶乘和为:{}".format(x))