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从0开始学Python:算数运算符

  • 2026-02-28 01:17:13
从0开始学Python:算数运算符

学习笔记 DAY 31

坚持是一件说起来容易，做起来不容易的事情。

Python中的“算数运算符”

#算数运算符

+ - *[乘法] /[除法]%[求余或者取模]**[求算或者几次方]//[取整]
案例
a=16b=8c=5print(a+b)   #加法运算print（a-b）  #减法运算print（a*b）  #乘法运算print（a/b）  #除法运算print（a%c）  #取余  结果为1print（a//7） #取整 结果为3
输出结果为下：
248128213

（从基础背景开始学起，坚持，是一件不容易的事情。）

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  138. /yingpanguazai/ssd/ssd1/www/f.mffb.com.cn/vendor/topthink/think-template/src/template/contract/DriverInterface.php ( 0.86 KB )
  139. /yingpanguazai/ssd/ssd1/www/f.mffb.com.cn/runtime/temp/067d451b9a0c665040f3f1bdd3293d68.php ( 11.98 KB )
  140. /yingpanguazai/ssd/ssd1/www/f.mffb.com.cn/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.001023s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001479s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000691s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000667s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001396s ]
  6. SELECT * FROM `set` [ RunTime:0.000523s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001450s ]
  8. SELECT * FROM `article` WHERE `id` = 477247 LIMIT 1 [ RunTime:0.000881s ]
  9. UPDATE `article` SET `lasttime` = 1772285241 WHERE `id` = 477247 [ RunTime:0.001634s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000605s ]
  11. SELECT * FROM `article` WHERE `id` < 477247 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001200s ]
  12. SELECT * FROM `article` WHERE `id` > 477247 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001124s ]
  13. SELECT * FROM `article` WHERE `id` < 477247 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002912s ]
  14. SELECT * FROM `article` WHERE `id` < 477247 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002178s ]
  15. SELECT * FROM `article` WHERE `id` < 477247 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002190s ]
0.190647s