[
'How do I merge two dictionaries in a single expression in Python (taking union of dictionaries)?',
'How to call an external command?',
'What are metaclasses in Python?',
'Does Python have a ternary conditional operator?',
'How do you remove duplicates from a list whilst preserving order?',
'Convert bytes to a string',
'How to get line count of a large file cheaply in Python?',
"Does Python have a string 'contains' substring method?",
'Why is “1000000000000000 in range(1000000000000001)” so fast in Python 3?'
]
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比如抓取页面中排第2的相关文章标题,执行结果:" k- i. t8 i, c) {. X* K4 G 6 z2 }# x- ^! N- _8 Y自定义请求模块参数 $ P5 Z" i i$ g8 f) x$ h9 g3 W 你还可以传递任何自定义请求模块参数。例如,你可能想使用代理或自定义头:+ H! f( _) f. N* g" M$ v0 W" E