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写Python总用错下划线?看完这篇再也不踩坑

  • 2026-01-28 15:34:37
写Python总用错下划线?看完这篇再也不踩坑

写Python总用错下划线？看完这篇再也不踩坑

在Python中，单下划线和双下划线用于表示变量或方法的访问权限和命名约定。一般来说，我们不应该显式去调用带有下划线的变量和方法，那他们是怎么在我们的类中起作用的，具体来看看。#Python下划线#零基础学编程#Python

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广西,2026年1月10日 19:05,
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  1. CONNECT:[ UseTime:0.000586s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000557s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000302s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.001343s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000567s ]
  6. SELECT * FROM `set` [ RunTime:0.000261s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000595s ]
  8. SELECT * FROM `article` WHERE `id` = 461963 LIMIT 1 [ RunTime:0.012532s ]
  9. UPDATE `article` SET `lasttime` = 1770555793 WHERE `id` = 461963 [ RunTime:0.011747s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.001352s ]
  11. SELECT * FROM `article` WHERE `id` < 461963 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000559s ]
  12. SELECT * FROM `article` WHERE `id` > 461963 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000888s ]
  13. SELECT * FROM `article` WHERE `id` < 461963 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.008850s ]
  14. SELECT * FROM `article` WHERE `id` < 461963 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.010226s ]
  15. SELECT * FROM `article` WHERE `id` < 461963 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.061590s ]
0.180390s