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Python 字典还在只会增删改查?这样用,代码快10倍还巨优雅!

  • 2026-02-06 07:27:53
Python 字典还在只会增删改查?这样用,代码快10倍还巨优雅!

## 字典实操### 创建并访问>>> alien_0 = {'color': 'green', 'points': 5}>>> alien_0['color']'green'>>> alien_0['points']5在Py...

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  1. CONNECT:[ UseTime:0.000636s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000751s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000304s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000248s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000484s ]
  6. SELECT * FROM `set` [ RunTime:0.000188s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000493s ]
  8. SELECT * FROM `article` WHERE `id` = 464436 LIMIT 1 [ RunTime:0.005482s ]
  9. UPDATE `article` SET `lasttime` = 1770549795 WHERE `id` = 464436 [ RunTime:0.007714s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.001111s ]
  11. SELECT * FROM `article` WHERE `id` < 464436 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000545s ]
  12. SELECT * FROM `article` WHERE `id` > 464436 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000445s ]
  13. SELECT * FROM `article` WHERE `id` < 464436 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002809s ]
  14. SELECT * FROM `article` WHERE `id` < 464436 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.009015s ]
  15. SELECT * FROM `article` WHERE `id` < 464436 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.006403s ]
0.105593s