文件操作之extract_weapon

gzj137070928

准备文档三国演义：sanguoyanyi.txt、weapon.txt
weapon.txt的内容如下：
青龙偃月刀

丈八蛇矛

雌雄双剑

青釭剑

方天画戟

1. import re
   
2. 
   
3. 
   
4. def find_item2(weapon):
   
5.     with open('sanguoyanyi.txt', encoding='utf-8') as f1:
   
6.         data = f1.read().replace('\n', '')
   
7.         weapon_num = len(re.findall(weapon, data))
   
8.         print("\033[31:1m%s\033[0m出现了%s 次" % (weapon, weapon_num))
   
9.     return weapon_num
   
10. 
    
11. 
    
12. weapon_dict = {}
    
13. # with语句叫上下文管理器，会自动关闭被调用打开的文件
    
14. with open('weapon.txt', encoding='utf-8') as f:
    
15.     i = 1
    
16.     for line in f:
    
17.         if i % 2 == 1:
    
18.             weapon_name = line.strip()
    
19.             weapon_dict[weapon_name] = find_item2(weapon_name)
    
20.         i += 1
    
21. weapon_sorted1 = sorted(weapon_dict.items(), key=lambda item: item[1], reverse=True)
    
22. print('按次数降序排列：', weapon_sorted1)
    
23. weapon_sorted2 = sorted(weapon_dict.items())
    
24. print('按武器排列：', weapon_sorted2)

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