Multiple python version installs: Difference between revisions

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== 更新 pip (package_manager) 版本<ref>[http://softwaretester.info/install-and-upgrade-pip-on-mac-os-x/ Install and upgrade pip on Mac OS X | - Softwaretester -]</ref> ==
== 更新 pip (package_manager) 版本<ref>[http://softwaretester.info/install-and-upgrade-pip-on-mac-os-x/ Install and upgrade pip on Mac OS X | - Softwaretester -]</ref> ==
使用 pip 安裝套件時遇到訊息
<pre>
You are using pip version 9.0.3, however version 18.0 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.
</pre>
=== Windows ===
=== Windows ===
<pre>
<pre>
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已知 python3 -V 版本是 python2
已知 python3 -V 版本是 python2
$ py -3 -m pip install --upgrade pip
$ python3 -m pip install --upgrade pip
$ python3 -m pip install --upgrade pip
</pre>
</pre>

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