python爬虫头部文件自动加引号脚本

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```python
import re
headers_str = '''

formhash: f0f241b5

qdxq: nu

qdmode: 2

todaysay:

fastreply: 0

'''

pattern = '^(.?): (.)$'
for line in headers_str.splitlines():

print(re.sub(pattern, ''\1': '\2',', line))