文本第二列的长度进行排序，按奇偶行分离文本

import  codecsimport ospath = os.path.dirname(__file__)odd_line_list = []even_line_list = []filename = os.path.join(path, 'forum_high_freq_sentence_sougou_checkout.txt')with codecs.open(filename, encoding='utf-8') as f:    new_line_list = sorted(f.readlines(), key=lambda x:len(x.split('\t')[-1]))#按照文本第二列长度进行排序    count = 0    for line in new_line_list:        count += 1        if count%2 == 0:#为偶数时，放到偶数列数组            even_line_list.append(line)        else:#为奇数时，放到奇数数组            odd_line_list.append(line)even_filename = os.path.join(path, 'even_line.txt')odd_filename = os.path.join(path, 'odd_line.txt')codecs.open(even_filename, mode='wb', encoding='utf-8').writelines(even_line_list)codecs.open(odd_filename, mode='wb', encoding='utf-8').writelines(odd_line_list)