http://www.pythonchallenge.com/pc/def/0.html
问题: 2^38
>>> 2**38
>>>274877906944L
输入http://www.pythonchallenge.com/pc/def/274877906944L.html
:the L in unnecessary
所以答案:274877906944
http://www.pythonchallenge.com/pc/def/0.html
问题: 2^38
>>> 2**38
>>>274877906944L
输入http://www.pythonchallenge.com/pc/def/274877906944L.html
:the L in unnecessary
所以答案:274877906944