p002_number_jiecheng.py
代码:
1 def get_jiecheng(number): 2 result=1 3 while number>0: 4 result*=number 5 number-=1 6 return result 7 8 print("jiecheng 3= ",get_jiecheng(3)) 9 print("jiecheng 6= ",get_jiecheng(6)) 10 print("jiecheng 100= ",get_jiecheng(100))
效果:
1 jiecheng 3= 6
2 jiecheng 6= 720
3 jiecheng 100= 93326215443944152681699238856266700490715968264381621468592963895217599993229915608941463976156518286253697920827223758251185210916864000000000000000000000000