擅长:python、mysql、java
<p>对我来说它的回报<code>2</code></p>
<pre><code>>>> def CalcFb(start,end):
... if (end<=4000000):
... CalcFb(end,start+end)
... else:
... print "Returning:",end
... return end
...
>>>
>>> start=1
>>> print "Answer: {0}".format(CalcFb(start,start+1))
Returning: 5702887
Answer: 2
</code></pre>
<p>检查缩进。你知道吗</p>