擅长:python、mysql、java
<p>必须在函数“distrib(Nm,lf):”之外定义p1和p2。全局函数用于更改原始函数之外的变量值,而不是将它们导入到sub-def</p>
<pre><code>p1 = 0
p2 = 0
def distrib(Nm,lf):
l = len(lf)
pd = {}# the output dictionary distribution
sumpd = 0# the total number of samples
buf=[lf[0]]
def NN(a,b):
global p1,p2
print p1,p2
</code></pre>