- #编程新手
- def factorial(x):
- if x == 0:
- return 1
- else:
- return x * factorial(x - 1)
- print factorial(6)
- #懒惰的Python程序员
- def fact(x):
- return x > 1 and x * fact(x - 1) or 1
- print fact(6)
- #更懒的Python程序员
- f = lambda x: x and x * f(x - 1) or 1
- print f(6)
- #Python 专家
- fact = lambda x: reduce(int.__mul__, xrange(2, x + 1), 1)
- print fact(6)
- #Python 黑客
- import sys
- @tailcall
- def fact(x, acc=1):
- if x: return fact(x.__sub__(1), acc.__mul__(x))
- return acc
- sys.stdout.write(str(fact(6)) + '\\n')
- #专家级程序员
- from c_math import fact
- print fact(6)
- #大英帝国程序员
- from c_maths import fact
- print fact(6)
- #该片段来自于http://www.codesnippet.cn/detail/170720134657.html
来源: http://www.codesnippet.cn/detail/170720134657.html