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Python入门重点:玩转列表,轻松处理数据!

  • 2026-04-27 00:09:00
Python入门重点:玩转列表,轻松处理数据!

Python入门重点：玩转列表，轻松处理数据！

在Python中，列表（List）是一种强大且灵活的数据结构，它可以存储任意类型的元素。你可以使用方括号[]来定义一个列表，并通过索引访问或修改其中的元素。

列表的常用操作包括创建列表、添加元素、删除元素、切片和推导式等。你还可以对列表进行排序、反转和复制等操作。此外，列表还可以与其他数据结构相互转换，如字符串和元组。

掌握列表，让你的数据处理更加高效！快来练习这些操作，提升你的Python技能吧！🚀
山西,51分钟前,
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  1. CONNECT:[ UseTime:0.000649s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000721s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000332s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000279s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000487s ]
  6. SELECT * FROM `set` [ RunTime:0.000201s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000568s ]
  8. SELECT * FROM `article` WHERE `id` = 486565 LIMIT 1 [ RunTime:0.000378s ]
  9. UPDATE `article` SET `lasttime` = 1777356018 WHERE `id` = 486565 [ RunTime:0.015017s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000354s ]
  11. SELECT * FROM `article` WHERE `id` < 486565 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000513s ]
  12. SELECT * FROM `article` WHERE `id` > 486565 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000553s ]
  13. SELECT * FROM `article` WHERE `id` < 486565 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002191s ]
  14. SELECT * FROM `article` WHERE `id` < 486565 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000739s ]
  15. SELECT * FROM `article` WHERE `id` < 486565 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.003864s ]
0.096440s