[
'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?'
]
抓取相似结果 6 S, l1 `- b; h m' R# K* q7 v0 O( G 当你还想获取stackoverflow上其他页面中所有相关的文章标题,则可以直接通过get_result_similar方法获取:; R# O5 T* U4 y- O
两个页面的抓取结果为: ! t5 W; Q5 w k; N% k 1 J4 B* ^) s% }! p, z5 H抓取确切结果 0 b. b# H" ]* U# `+ p 当你只想抓取某个确切的结果,可以使用get_result_exact方法,即从wanted_list中以完全相同的顺序检索数据:4 R Q8 J& ]; Z5 G/ P. x
比如抓取页面中排第2的相关文章标题,执行结果:+ J* s' E4 x# V. m0 S
0 D' g' a0 K" e& c( h
自定义请求模块参数 . e" R H# ?1 `2 r% B+ U 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:& A5 @' H4 H1 c- c1 ^; O