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(Created page with "OS X ships with Python installed, so the goal of this page is to make sure you can start a Terminal and run Python from the command line. <ol> <li>Start up a Terminal. You c...")
 
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{{Chicago Python Workshop/Setup/Mac set up Python}}
OS X ships with Python installed, so the goal of this page is to make sure you can start a Terminal and run Python from the command line.
 
<ol>
<li>Start up a Terminal. You can find the Terminal application through Spotlight, or navigate to Applications/Utilities/Terminal.<br />
 
<br />
This Terminal contains something called a command prompt. This command 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 command prompt.
</li>
<li>Test your Python install at the command prompt. Type
 
<pre>
python
</pre>
 
and hit enter. You should see something like
<pre>
Python 2.7.1 (r261:67515, Feb 11 2010, 00:51:29)
[GCC 4.2.1 (Apple Inc. build 5646)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>>
</pre>
 
* 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 />
 
* If the Python version number (2.7.1 in the example above) is not a number between 2.4 and 2.7 (ignoring the number after the second dot), tell a staff member.
</li>
<li>To exit the Python prompt, type
 
<pre>
exit()
</pre>
 
and press Enter. This will take you back to the OS X command prompt.</li>
</ol>
 
'''Success!'''
 
You have tested your Python installation.
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