Editing Windows set up Python (Anaconda)

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== Download and install Python ==
== Download and install Python ==


We're going to be installing Python using a collection of software called '''Anaconda'''. Anaconda includes the Python programming language and a bunch of different pieces of software that are useful for data science and analysis. Although the collection is composed of free software, it is put together by a commercial company called '''Continuum Analytics'''.
We're going to be installing Python using a collection of software that includes Python that, as a collection, is called '''Anaconda'''. Anaconda includes the Python programming language and a bunch of different pieces of software that are useful for data science and analysis. Although the collection includes all free software, it is put together by a commercial company called '''Continuum Analytics'''.


<font size="+1">Try to download and install [https://repo.anaconda.com/archive/Anaconda3-2023.03-Windows-x86_64.exe this file which contains Python 3.10].</font>
To install Python, you should:


If that doesn't work for any reason, download and install the Python 3.10 option from [https://www.anaconda.com/distribution/#download-section Anaconda's website], on the right. If necessary, scroll down to the "Anaconda for Windows" section.
* Download and install the [http://continuum.io/downloads Anaconda] that includes Python 3.4:
*# First, visit the [http://continuum.io/downloads Anaconda download page].
*# Click the blue text to the right side of the penguin logo that says "'''' WANT PYTHON 3.4'''".
*# Click on top button on the right side of the same box under the text "'''CHOOSE YOUR INSTALLER'''". The button should say something like '''Windows 64-bit Python3.4 Graphical Installer'''.
* Once the program is downloaded, run the downloaded file which should launch a graphical installer.
* Use all of the defaults for installation, except make sure to '''check Make Anaconda the default Python'''.


Once the program is downloaded, run the downloaded file which should launch a graphical installer.
'''Note''' In addition to the 360MB file you will download, the installation will take several hundred megabytes for the 64-bit installer (which is most likely the version you'll be installing.)
 
If you get stuck during the install process, ask a neighbor or raise your hand for help. [https://docs.continuum.io/anaconda/install/windows/ These instructions] may also be helpful.


== Test to make sure Python is working ==
== Test to make sure Python is working ==


Open the start menu (or hit the WIN key) and type "jupyter". The first option should be called "Jupyter Notebook". Click that to open Jupyter.  
# Open a Command Prompt. You can do this by hitting WIN+R, and typing in <tt>powershell</tt>.
 
#* This is called a "command line interface"---a way of interacting with your computer by typing.
[[File:Capture20200112_0.PNG|500px]]
# Test your Python install at the command prompt. Type <pre>python</pre> and hit enter. You should see something like
 
<pre>
After a few seconds, you'll see a new tab open in your default browser. It will look something like this:
Python 2.7.8 |Anaconda 2.1.0 (64-bit)| (default, Jul  2 2014, 15:12:11) [MSC v.1500 64 bit (AMD64)] on win32
 
Type "help", "copyright", "credits" or "license" for more information.
[[File:20200112_2.PNG|500px]]
>>>
 
</pre>
If for some reason you '''don't''' see something in your browser, let a mentor know.
 
To close Anaconda, right click on the Jupyter icon in task bar, and select "Close Window". The Jupyter icon looks like this:


[[File:Capture20200112_3.PNG|100px]]
<ol start="3">
<li>
You just started Python! The <code>>>></code> indicates that you are at a new type of prompt: a Python prompt. The command prompt lets you navigate your computer and run programs, and the Python prompt lets you write and run Python code interactively.
</li>
<li>
To exit the Python prompt, type <pre>exit()</pre> and press Enter. This will take you back to the Windows command prompt.
</li>
</ol>


== Success! ==
== Success! ==


You have Python installed and configured. You can move on to the the next step.
You have Python installed and configured.


== Alternative Setup ==


[[Category:CDSW]][[Category:Shared Pages]]
If you do not want to use the Anaconda installer, you can take a look at [[Windows set up Python|this page]]. This set up will be ''significantly'' more difficult and may cause problems later in the workshops.
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