gistfile1.txt

import  xml.etree.ElementTree, numpy
f = open("2.html", 'r')
#f = open("1.html", 'r')
html = f.readlines()

root = xml.etree.ElementTree.fromstringlist(html)

print list(root)
nums = []
cur = 0

item = root

def countItem(item, depth):
    nums.append(depth)
    
    numChildren = len(list(item)) 
    if numChildren == 0:
        return
        
    for i in range(numChildren):
        countItem(list(item)[i], depth+1)
        
countItem(root, 0)        
print "list: %s" % nums
print "stddev: %s" % numpy.std(nums)