10.9 递归函数

 

# 递归函数    计算  6！= 6*5*4*3*2*1

def fun(n):
    if n==1:
       return n
    else:
       res=n*fun(n-1)   #递归行数
       return res
print(fun(6))

E:\PycharmProjects\pythonProject\venv\Scripts\python.exe E:/PycharmProjects/pythonProject/demon1/demo32.py
720

进程已结束,退出代码0