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'在,M,环境,下,安装,和,配,P,3,的,步骤'

'安装Python 31.在Mac上打开终端，输入brew install python3，安装Python 3。2.安装完成后，输入python3 -V查看Python版本，确认安装成功。配置Pyth'

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'2025-02-26 03:46:34'

'2025-02-26 03:46:34'

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'
                    

<h3>安装Python 3</h3>
<p>1.在Mac上打开终端，输入<pre>brew install python3</pre>，安装Python 3。</p>
<p>2.安装完成后，输入<pre>python3 -V</pre>查看Python版本，确认安装成功。</p>

<h3>配置Python 3</h3>
<p>1.输入<pre>vi ~/.bash_profile</pre>，编辑环境变量配置文件，在文件末尾添加：</p>
<pre>export PATH="/usr/local/opt/python/libexec/bin:$PATH"</pre>
<p>2.保存文件，输入<pre>source ~/.bash_profile</pre>，使配置生效。</p>
<p>3.输入<pre>which python3</pre>查看Python 3的安装位置，确认配置成功。</p>                

               '

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