O'Reilly Introduction to Python/Section 1/OSX set up Python: Difference between revisions

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__TOC__
 
== Download and install Python ==
 
* <b>If you are running OS X version 10.6 or later</b>, click https://www.python.org/ftp/python/3.4.1/python-3.4.1-macosx10.6.dmg to download the Python installer.
* <b>If you are running OS X version 10.5</b>, click and download the Python installer from [https://www.python.org/ftp/python/3.4.1/python-3.4.1-macosx10.5.dmg this link instead].
* <b>If you have a version of OS X older than 10.5</b>, please upgrade to a newer version of OS X before installing Python.
 
Once the download is complete, double-click on the installer to run it and complete the installation.
 
== Checking your Python installation ==
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<br />
This Terminal gives you something called a terminal prompt. This terminal prompt is another way of navigating your computer and running programs -- just textually instead of graphically. We are going to be running Python and Python scripts from this terminalTerminal prompt.
</li>
<li>Test your Python install at the command prompt. Type
 
<pre>
python3
python
</pre>
 
and press Enter. You should see something like
<pre>
Python 23.74.51 (r261v3.4.1:67515d047928ae3f6, FebMay 1113 20102013, 0012:5145:2922)
[GCC 4.2.1 (Apple Inc. build 5646)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
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You just started Python! The <code>>>></code> indicates that you are at a new type of prompt -- a Python prompt. The command prompt let's you navigate your computer and run programs, and the Python prompt lets you write and run Python code interactively.<br />
 
Check the Python version in your Terminal output (the version in the example above is 2.7.5). It needs to be a version between Python 2.5 and Python 2.7 for this class. If you have too old or too new a version, please visit http://python.org/ftp/python/2.7.5/python-2.7.5-macosx10.6.dmg to download and install Python version 2.7.5.
 
</li>
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