View difference between Paste ID: m9ns8ZgJ and gMdMb0mc

 from __future__ import division
 import itertools as it
 import numpy as np
 l = input('How many lattices?_')
-sums = list()
+
 sums = 0
 sumcount = 0
 pos = 1
 neg = -1
 L = list(it.product([-1,1], repeat =l))
 M = range(0,l) # makes a list from 0 to l-1, giving l entries, starting with 0 just like the indices of the lattices.
 Markers = list(it.combinations(M, m))
 i = 0
 j = 0
 k = 0
 while i < len(L):
     Ring = L[i]
     while j < len(Markers):
         while k < 2*len(Ring):
             Marker = Markers[j]
             Ring = list(np.roll(Ring,1))
             for x in Marker:
                 t = Ring.pop(x)
                 if t < 0:
                     Ring.insert(x,pos)
                 elif t > 0:
                     Ring.insert(x,neg)
-            sums.append(abs(sum(Ring)))
+
                     print('This is why we cant have nice things...')
             sums = sums + abs(sum(Ring))
             sumcount = sumcount + 1
             k = k + 1
         j = j + 1
         k = 0
     i = i + 1
-print 'Average deviation: ', np.mean(sums)
+
     k = 0
 
 print 'Average deviation: ', sums/sumcount