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一上午面了五个Python爬虫岗,全是菜鸟啊......

  • 2026-06-28 07:59:36
一上午面了五个Python爬虫岗,全是菜鸟啊......
复盘了一波Python爬虫岗的面试，整理了Python面试八股
1. 列表List和元组Tuple有什么区别？ 
2. 装饰器Decorator是什么？如何使用？ 
3. 生成器Generator是什么？如何使用？ 
4. with语句是如何工作的？ 
5. *args和**kwargs是什么？ 
6. GIL全局解释器锁是什么？ 
7. __init__和__new__有什么区别？ 
8. lambda函数是什么？如何使用？ 
9. map、filter和reduce函数是什么？如何使用？ 
10. __slots__是什么？如何使用？
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  1. CONNECT:[ UseTime:0.000978s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000925s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000325s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000259s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000540s ]
  6. SELECT * FROM `set` [ RunTime:0.000197s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000630s ]
  8. SELECT * FROM `article` WHERE `id` = 500024 LIMIT 1 [ RunTime:0.000444s ]
  9. UPDATE `article` SET `lasttime` = 1783027345 WHERE `id` = 500024 [ RunTime:0.002422s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000259s ]
  11. SELECT * FROM `article` WHERE `id` < 500024 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000466s ]
  12. SELECT * FROM `article` WHERE `id` > 500024 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000968s ]
  13. SELECT * FROM `article` WHERE `id` < 500024 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001741s ]
  14. SELECT * FROM `article` WHERE `id` < 500024 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.006191s ]
  15. SELECT * FROM `article` WHERE `id` < 500024 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001162s ]
0.164446s