[
'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 # A9 e, f9 [$ f% j5 w8 x 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: 0 c1 t* ^+ Q5 q0 m. `: |2 Y
两个页面的抓取结果为: 5 P' c' P i" M5 p' N9 A" r$ A4 f
]- u# L2 t. B# O0 _4 ~6 n- N
抓取确切结果9 m' M) d5 E8 `! x$ n7 q# o
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: $ i% o7 v$ d) N$ \
比如抓取页面中排第2的相关文章标题,执行结果: ) { |0 p& f0 x' R0 E
( t9 U- i' R# K5 ^% u
自定义请求模块参数+ M# [; w% a) @% `7 H L G# K- M7 _
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: y( E. ^4 G. v, o0 M