这道题并不能显示出Python的强大，仅仅作为练手吧
class Solution(object):
def canWinNim(self, n):
"""
:type n: int
:rtype: bool
"""
# if the number can be divided by 4, first hand will lose anyway
return n % 4 != 0;
原文：http://www.cnblogs.com/wenchan/p/5785499.html