擅长:python、mysql、java
<p>简单的递归可以如下所示:</p>
<pre><code>from random import *
def greatest(x,maxx=float("-inf")):
if len(x)>0:
if x[0] > maxx:
maxx=x[0]
return greatest(x[1:],maxx)
else:
return maxx
lis=range(10,50)
shuffle(lis)
print greatest(lis) #prints 49
</code></pre>