Collatz 序列_Python实现

#!/usr/bin/env python
# -*- coding: utf-8 -*-
def collatz(number):
    while(number != 1):
        if number % 2 == 0:
            number = number // 2
            print(number)
        else:
            number = 3 * number + 1
            print(number)
if __name__ == '__main__':
    try:
        number = abs(int(input("Enter a number:")))
        if number != 0:
            collatz(number)
        else:
            print("Pointless!")
    except:
        print("Input error!")

Collatz 序列_Python实现

原文：http://blog.51cto.com/9473774/2061673