import time
import sys

def timeit(N=5000, version=''):
    from xml.etree import ElementTree as ET

    doc = ET.ElementTree(ET.Element('root'))
    root = doc.getroot()
    last = ET.Element('last')
    root.append(last)

    t0 = time.time()
    for i in range(N):
        node = ET.Element('item')
        node.set('id', str(i))
        root.insert(i, node)

    print('%stime for %d iterations: %f' % (version, N, time.time()-t0))

versions = sys.argv[1:]
if not versions:
    versions = ['']

for v in versions:
    timeit(version=v)