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Python 标识符入门|变量命名全套笔记

  • 2026-08-18 23:11:43
Python 标识符入门|变量命名全套笔记

Python 标识符入门｜变量命名全套笔记

零基础学 Python 必看的标识符命名合集。

搞懂变量、函数、类的命名硬性规则，分清哪些名字不能用，掌握 Python 通用蛇形命名法，搭配实操代码案例，避开命名报错坑。

硬性规则必须遵守，编码规范养成好习惯，帮你写出干净易读的 Python 代码。

#Python 标识符 #Python 零基础 #Python 命名规则 #蛇形命名法 #Python 基础 #编程自学 #Python 办公自动化

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      1. CONNECT:[ UseTime:0.001093s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
      2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001575s ]
      3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000772s ]
      4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000613s ]
      5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001324s ]
      6. SELECT * FROM `set` [ RunTime:0.000569s ]
      7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001530s ]
      8. SELECT * FROM `article` WHERE `id` = 508852 LIMIT 1 [ RunTime:0.001625s ]
      9. UPDATE `article` SET `lasttime` = 1787337246 WHERE `id` = 508852 [ RunTime:0.006747s ]
      10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000711s ]
      11. SELECT * FROM `article` WHERE `id` < 508852 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.023903s ]
      12. SELECT * FROM `article` WHERE `id` > 508852 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.022456s ]
      13. SELECT * FROM `article` WHERE `id` < 508852 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.032393s ]
      14. SELECT * FROM `article` WHERE `id` < 508852 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001994s ]
      15. SELECT * FROM `article` WHERE `id` < 508852 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002082s ]
      0.276000s