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第1天 认识Python

  • 2026-06-17 01:51:18
第1天 认识Python

第1天每日分享知识点总结：

  • print 的作用是“输出内容”

  • 括号里放的是需要执行的内容

  • 字符串必须加引号

  • Python 代码默认从上往下执行

  • 少写括号、引号都会导致报错

很多同学刚开始学编程会觉得难，其实编程本质上就是：学会如何正确和电脑“交流”。

Python 之所以适合零基础，就是因为它的语法相对简单、直观。

本文来自网友投稿或网络内容，如有侵犯您的权益请联系我们删除，联系邮箱：wyl860211@qq.com 。

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  1. CONNECT:[ UseTime:0.000897s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001490s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000394s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000286s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000691s ]
  6. SELECT * FROM `set` [ RunTime:0.000243s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000706s ]
  8. SELECT * FROM `article` WHERE `id` = 498130 LIMIT 1 [ RunTime:0.000486s ]
  9. UPDATE `article` SET `lasttime` = 1783042883 WHERE `id` = 498130 [ RunTime:0.030176s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000345s ]
  11. SELECT * FROM `article` WHERE `id` < 498130 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.005767s ]
  12. SELECT * FROM `article` WHERE `id` > 498130 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.006583s ]
  13. SELECT * FROM `article` WHERE `id` < 498130 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.027281s ]
  14. SELECT * FROM `article` WHERE `id` < 498130 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.099422s ]
  15. SELECT * FROM `article` WHERE `id` < 498130 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.035497s ]
0.294119s