擅长:python、mysql、java
<p>检查python 3的位置</p>
<pre><code>$ which python3
/usr/local/bin/python3
</code></pre>
<p>在bash_配置文件中写入别名</p>
<pre><code>vi ~/.bash_profile
alias python='/usr/local/bin/python3'
</code></pre>
<p>重新加载bash_配置文件</p>
<pre><code>source ~/.bash_profile
</code></pre>
<p>确认python命令</p>
<pre><code>$ python --version
Python 3.6.5
</code></pre>