优化代码def parse_data(contents): contents = contents.lower() title_start = contents.find('<title>') title_end = contents.find('</title>') title = contents[title_start+len('<title>'):title_end] text_start = contents.find('<text>') text_end = contents.find('</text>') text = contents[text_start+len('<text>'):text_end] return title+" "+text

可以将代码进行如下优化：

def parse_data(contents):
contents = contents.lower()
title_start = contents.find('<title>')
title_end = contents.find('</title>')
title = contents[title_start + len('<title>'):title_end]
text_start = contents.find('<text>')
text_end = contents.find('</text>')
text = contents[text_start + len('<text>'):text_end]
return title + " " + text

相关问题

优化代码import os import re def parse_data(contents): contents = contents.lower() title_start = contents.find('<title>') title_end = contents.find('</title>') title = contents[title_start+len('<title>'):title_end] text_start = contents.find('<text>') text_end = contents.find('</text>') text = contents[text_start+len('<text>'):text_end] return title+" "+text def read_data(path): contents = [] for filename in os.listdir(path): data = parse_data(open(path+'/'+filename, 'r').read()) filename = re.sub(r'\D', "", filename) contents.append((int(filename), data)) return contents

可以使用列表推导式和with语句来优化代码，如下所示：

import os
import re

def parse_data(contents):
contents = contents.lower()
title_start = contents.find('<title>')
title_end = contents.find('</title>')
title = contents[title_start + len('<title>'):title_end]
text_start = contents.find('<text>')
text_end = contents.find('</text>')
text = contents[text_start + len('<text>'):text_end]
return title, text

def read_data(path):
contents = [(int(re.sub(r'\D', "", filename)), parse_data(open(os.path.join(path, filename), 'r').read())) for filename in os.listdir(path)]
return contents

这样可以更加简洁和高效地实现相同的功能。

改进代码import os import re def parse_data(contents): contents = contents.lower() title_start = contents.find('<title>') title_end = contents.find('</title>') title = contents[title_start+len('<title>'):title_end] text_start = contents.find('<text>') text_end = contents.find('</text>') text = contents[text_start+len('<text>'):text_end] return title+" "+text def read_data(path): contents = [] for filename in os.listdir(path): data = parse_data(open(path+'/'+filename, 'r').read()) filename = re.sub(r'\D', "", filename) contents.append((int(filename), data)) return contents

这是一个 Python 代码，用于读取指定路径下的文件，并解析其中的标题和文本内容。具体来说，parse_data 函数会将文本内容转换为小写，并从中提取出标题和文本内容，然后返回这两个字符串。read_data 函数则会遍历指定路径下的所有文件，调用 parse_data 函数解析每个文件的内容，并将解析结果存储在一个列表中，最后返回这个列表。