[
'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 % r! Z' L& R' |/ ` 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: ! m1 P( b1 a) }' d1 Y
两个页面的抓取结果为: g/ t3 a, t; s7 d8 h " M. o4 D4 P# {+ u, t2 s# q! P; `抓取确切结果3 ~1 s. g G/ B7 B9 d+ p3 ~; B
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:- r5 F1 ?2 V- I# _ l" R1 t
比如抓取页面中排第2的相关文章标题,执行结果: 0 W" B. @0 g7 x4 B7 }! s$ l
) r. N" r3 [, x7 Z3 D; b
自定义请求模块参数 P. v. j; v) J' ]3 v 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:/ h0 e% W6 D8 N" r