擅长:python、mysql、java
<p>你为什么用分机?</p>
<p>来自pip文档:</p>
<pre><code>$ pip install SomePackage # latest version
$ pip install SomePackage==1.0.4 # specific version
$ pip install 'SomePackage>=1.0.4' # minimum version
</code></pre>
<p>请看这里:<a href="https://pip.pypa.io/en/latest/reference/pip_install.html#examples" rel="nofollow">https://pip.pypa.io/en/latest/reference/pip_install.html#examples</a></p>