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Python | 零基础速通!python全运算符

  • 2026-06-30 17:52:13
Python | 零基础速通!python全运算符

Python | 零基础速通！python全运算符

零基础学Python，绕不开的核心基础就是各类运算符！
算术、比较、赋值、位运算、逻辑、成员、身份7大类运算符，清晰拆解is和==的核心区别、短路求值、向下取整等高频易错点。还整理了完整的运算符优先级排序与运算规则。新手也能轻松看懂，彻底搞懂代码底层运行逻辑，告别运算结果和预期不符、优先级混乱等常见 Bug，快速夯实 Python 编程底层功底。
#Python #Python入门 #编程零基础 #运算符 #Python教程 #代码干货 #编程学习#python运算符#算术运算符#python编程#Python进阶#Python学习

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  1. CONNECT:[ UseTime:0.000627s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000793s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000298s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000284s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000552s ]
  6. SELECT * FROM `set` [ RunTime:0.000249s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000542s ]
  8. SELECT * FROM `article` WHERE `id` = 489940 LIMIT 1 [ RunTime:0.000393s ]
  9. UPDATE `article` SET `lasttime` = 1783149926 WHERE `id` = 489940 [ RunTime:0.015252s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000336s ]
  11. SELECT * FROM `article` WHERE `id` < 489940 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000637s ]
  12. SELECT * FROM `article` WHERE `id` > 489940 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.006218s ]
  13. SELECT * FROM `article` WHERE `id` < 489940 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.010419s ]
  14. SELECT * FROM `article` WHERE `id` < 489940 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.017160s ]
  15. SELECT * FROM `article` WHERE `id` < 489940 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001526s ]
0.124446s