题目:利用递归方法求 5!。
代码:
def factorial_fun(integer):
if integer - 1 == 0:
return 1
return integer * factorial_fun(integer-1)
print(f'5!={factorial_fun(5)}')
运行结果:

def factorial_fun(integer):
if integer - 1 == 0:
return 1
return integer * factorial_fun(integer-1)
print(f'5!={factorial_fun(5)}')