擅长:python、mysql、java
<p>这里是一个快速的黑客我做:)希望它能满足您的要求,你只是要知道名单的长度。你知道吗</p>
<pre><code>lst = [1,2,3]
dlist=[]
derivate=[]
for i in range(len(lst)): #Here you multiply the coeficients by the power
dlist.append(lst.__getitem__(i)*i)
#print dlist
for m in range(len(dlist)): #In the derivate the constants become zero
if dlist.__getitem__(m) != 0:
derivate.append(dlist.__getitem__(m))
print lst
print derivate
</code></pre>
<p>好好享受!你知道吗</p>