<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[dirhack的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/dirhack</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; dirhack]]></copyright><item><title><![CDATA[单片机开发框架]]></title><link>https://blog.youkuaiyun.com/dirhack/article/details/129852366</link><guid>https://blog.youkuaiyun.com/dirhack/article/details/129852366</guid><author>dirhack</author><pubDate>Thu, 30 Mar 2023 10:28:53 +0800</pubDate><description><![CDATA[单片机程序开发框架]]></description><category></category></item><item><title><![CDATA[reg52.h中文详细注解]]></title><link>https://blog.youkuaiyun.com/dirhack/article/details/129851876</link><guid>https://blog.youkuaiyun.com/dirhack/article/details/129851876</guid><author>dirhack</author><pubDate>Thu, 30 Mar 2023 10:07:20 +0800</pubDate><description><![CDATA[reg52.h 中文详细注解_最终版]]></description><category></category></item><item><title><![CDATA[VScode环境兼容keil C251]]></title><link>https://blog.youkuaiyun.com/dirhack/article/details/129851746</link><guid>https://blog.youkuaiyun.com/dirhack/article/details/129851746</guid><author>dirhack</author><pubDate>Thu, 30 Mar 2023 09:58:49 +0800</pubDate><description><![CDATA[VScode环境兼容keil C251]]></description><category></category></item><item><title><![CDATA[单片机比特率计算公式]]></title><link>https://blog.youkuaiyun.com/dirhack/article/details/129851574</link><guid>https://blog.youkuaiyun.com/dirhack/article/details/129851574</guid><author>dirhack</author><pubDate>Thu, 30 Mar 2023 09:53:41 +0800</pubDate><description><![CDATA[单片机比特率计算公式]]></description><category></category></item><item><title><![CDATA[PROTEUS元器件库详细说明]]></title><link>https://blog.youkuaiyun.com/dirhack/article/details/129851489</link><guid>https://blog.youkuaiyun.com/dirhack/article/details/129851489</guid><author>dirhack</author><pubDate>Thu, 30 Mar 2023 09:50:29 +0800</pubDate><description><![CDATA[PROTEUS元器件库详细说明]]></description><category></category></item><item><title><![CDATA[STC32G.H 头文件汉化]]></title><link>https://blog.youkuaiyun.com/dirhack/article/details/129851368</link><guid>https://blog.youkuaiyun.com/dirhack/article/details/129851368</guid><author>dirhack</author><pubDate>Thu, 30 Mar 2023 09:47:41 +0800</pubDate><description><![CDATA[STC32G.H 头文件汉化]]></description><category></category></item><item><title><![CDATA[文本处理]]></title><link>https://blog.youkuaiyun.com/dirhack/article/details/106744077</link><guid>https://blog.youkuaiyun.com/dirhack/article/details/106744077</guid><author>dirhack</author><pubDate>Sun, 14 Jun 2020 11:45:49 +0800</pubDate><description><![CDATA[eval(string) 计算数据
len(str) 返回数据长度
str.lower()  大写转变成小写
str.upper()  小写转换成大写
str.swapcase()  大小写互换
str.capitalize 每个单词首字母大写
//字符串填充
1.center(width,fillchar)  首尾字符填充
print (“新年好”.center(20,"&amp;"))
&amp;&amp;&amp;&amp;&amp;&amp;&amp;&amp;新年好&amp;&amp;&amp;&]]></description><category></category></item><item><title><![CDATA[python笔记运算函数]]></title><link>https://blog.youkuaiyun.com/dirhack/article/details/106742067</link><guid>https://blog.youkuaiyun.com/dirhack/article/details/106742067</guid><author>dirhack</author><pubDate>Sun, 14 Jun 2020 11:05:19 +0800</pubDate><description><![CDATA[\求方
pow(x,y)
round
求四舍五入
round (x)
import 导入一个库
#库：封装一些功能
math  数学相关的库
math.ceil 向上取整
math.floor 向下取整
math.modf   返回整数和小数部分
math.sqrt    开方
import random  封装随机库
print(random.choice([1,2,3,4,5,6,7,8,9]))  取随机数
print(random.choice(range(6)))  等价于 print (rand]]></description><category></category></item></channel></rss>