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Python 可变参数 *args|搞懂不定长传参

  • 2026-08-18 23:12:02
Python 可变参数 *args|搞懂不定长传参

Python 可变参数 *args｜搞懂不定长传参

写函数不知道会传入多少个参数？可变参数就派上用场
在参数前面加上 * 就是可变参数 args，可以接收任意多个实参。
传进去的数据，会打包成元组，在函数内部直接循环使用。

⚠️小提醒：一个函数一般只写一个 *args。
适合求和、批量处理这类，参数个数不确定的场景。

搭配求和实战案例，零基础也能看懂。
学会可变参数，不用反复修改形参个数，写代码灵活很多。
收藏起来，学习函数的时候拿来复习

#Python #Python 零基础 #Python 函数 #可变参数 #args #Python 学习笔记 #编程入门 #自学 Python #Python 基础语法 #代码学习

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      140. /yingpanguazai/ssd/ssd1/www/f.mffb.com.cn/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
      1. CONNECT:[ UseTime:0.001102s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
      2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001502s ]
      3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.001949s ]
      4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000808s ]
      5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001417s ]
      6. SELECT * FROM `set` [ RunTime:0.000609s ]
      7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001548s ]
      8. SELECT * FROM `article` WHERE `id` = 510040 LIMIT 1 [ RunTime:0.006717s ]
      9. UPDATE `article` SET `lasttime` = 1787294153 WHERE `id` = 510040 [ RunTime:0.013691s ]
      10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.001625s ]
      11. SELECT * FROM `article` WHERE `id` < 510040 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.008599s ]
      12. SELECT * FROM `article` WHERE `id` > 510040 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002322s ]
      13. SELECT * FROM `article` WHERE `id` < 510040 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.018354s ]
      14. SELECT * FROM `article` WHERE `id` < 510040 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.029749s ]
      15. SELECT * FROM `article` WHERE `id` < 510040 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.034155s ]
      0.289168s