Python - 安装/实践

待我称王封你为后i 2023-02-15 12:44 7阅读 0赞

1.应用场景

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 <td>安装Python3, 并进行一些实践</td> 
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2.学习/操作

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 <td> 环境: Windows 10&nbsp; 专业版&nbsp; 64位 Mac pro 2019版 // optional 1.安装 1.1 下载安装包 <a href="https://www.python.org/ftp/python/3.8.0/python-3.8.0-amd64.exe" rel="nofollow">https://www.python.org/ftp/python/3.8.0/python-3.8.0-amd64.exe</a> 1.2 勾选"pip"与"Add Python 3.8 to PATH", 点击第一个选项[非自定义,也可以选]安装 <img alt="" height="426" src="https://img-blog.csdnimg.cn/20200605143259820.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="693"> 等待即可, 出现如下界面 <img alt="" height="427" src="https://img-blog.csdnimg.cn/20200605143546178.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="693"> 1.3 测试是否安装成功 打开命令号终端, 输入python, 出现如下界面, 即安装成功. <img alt="" height="172" src="https://img-blog.csdnimg.cn/20200605143837161.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="705"> 输入pip //python的包管理工具 <img alt="" height="319" src="https://img-blog.csdnimg.cn/20200605145728876.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="521"> Note: 如果安装失败, 处理如下:&nbsp; 1. 是否添加安装路径到path变量中 2. 重新安装一遍. 2.实践 如下项目仅限学习交流使用，请勿用于任何商业行为和损害其它人利益的行为 将自己在极客时间上买的付费栏目下载到本地&nbsp; 详细教程见: <a href="https://github.com/zhengxiaotian/geek_crawler" rel="nofollow">https://github.com/zhengxiaotian/geek_crawler</a> 过程中几点 2.1 安装第三方模块 requests pip install requests <img alt="" height="476" src="https://img-blog.csdnimg.cn/202006051505130.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="756"> 2.2 执行过程 <img alt="" height="636" src="https://img-blog.csdnimg.cn/20200605150830756.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="771"> 2.3 执行结果 <img alt="" height="269" src="https://img-blog.csdnimg.cn/20200605151708760.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="758"> <img alt="" height="476" src="https://img-blog.csdnimg.cn/20200605152127800.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="733"> ------------------------------------------------------------- I am divider------------------------------------------------------------- Mac pro&nbsp; MacOS自带的python，但是版本有点低 
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 Python 2.7.16 
 </blockquote> <img alt="" height="360" src="https://img-blog.csdnimg.cn/20210707143530692.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="1200"> 这里进行升级 
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 brew upgrade python 
 </blockquote> <img alt="" height="672" src="https://img-blog.csdnimg.cn/20210707143434577.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="850"> 可以看到提示已经安装过python3 但是python3需要使用python3 执行命令 
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 python3 -V 
 </blockquote> <img alt="" height="430" src="https://img-blog.csdnimg.cn/20210707144920697.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="1200"> 后续补充 ... </td> 
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3.问题/补充

4.参考

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 <td> <a href="https://www.liaoxuefeng.com/wiki/1016959663602400/1016959856222624" rel="nofollow">https://www.liaoxuefeng.com/wiki/1016959663602400/1016959856222624</a>&nbsp; //安装Python <a href="https://github.com/zhengxiaotian/geek_crawler" rel="nofollow">https://github.com/zhengxiaotian/geek_crawler</a> <a href="https://learnku.com/articles/45403" rel="nofollow">https://learnku.com/articles/45403</a> </td> 
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后续补充

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