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"""This module contains a code example related to

Think Python, 2nd Edition

by Allen Downey

http://thinkpython2.com

Copyright 2015 Allen Downey

License: http://creativecommons.org/licenses/by/4.0/

"""

from __future__ import print_function, division

import time

def make_word_list1():

"""Reads lines from a file and builds a list using append."""

t = []

fin = open('words.txt')

for line in fin:

word = line.strip()

t.append(word)

return t

def make_word_list2():

"""Reads lines from a file and builds a list using list +."""

t = []

fin = open('words.txt')

for line in fin:

word = line.strip()

t = t + [word]

return t

start_time = time.time()

t = make_word_list1()

elapsed_time = time.time() - start_time

print(len(t))

print(t[:10])

print(elapsed_time, 'seconds')

start_time = time.time()

t = make_word_list2()

elapsed_time = time.time() - start_time

print(len(t))

print(t[:10])

print(elapsed_time, 'seconds')