#!/usr/local/bin/python

import time
import sys

if __name__ == '__main__':
	lgstr = 'this is a test string' * 10
	s = time.clock()
	l = lgstr + '\n'
	for i in range(1000):
		l = l + lgstr + '\n'
	print len(l)
	e = time.clock()
	print 'Normal Concat: %f' % (e - s)

	s = time.clock()
	l = [ lgstr, '\n' ]
	for i in range(1000):
		l.append('%s\n' % lgstr)
		#l.extend([lgstr, '\n'])
	l = ''.join(l)
	print len(l)
	e = time.clock()
	print 'List Concat: %f' % (e - s)