我想將檔案的資料有的則設為原來的值，沒有的值則設為0，可是最後結果都是0，程式碼哪裡不正確?
原始資料圖片描述
處理結果圖片描述

#!/usr/bin/python
#coding:utf-8
train_data = {}
input_data = open("train_tfidf.txt", "r").readlines()
output_data = open("single_tfidf.txt", "w")
for line in input_data:
    temp_dict = {}
    for i in range(60304):
        temp_dict[i] = 0
    datas = line.split()
    for ele in datas:
        try:
            word_index = ele.split(":")[0]
            tfidf = ele.split(":")[1]
            if word_index == i:
                temp_dict[i] = tfidf
        except:
            continue
    # print temp_dict
    # print word_index, tfidf
    output_data.write(str(temp_dict))
    output_data.write('\n')

  [1]: /img/bVPJMi
  [2]: /img/bVPJMV