suhyunjeon
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@@ -14,224 +14,66 @@ like automatically displaying different things with different colors.
 If you are on Windows or Mac OSX you have probably noticed that your
 Python came with an editor called IDLE. We are not going to use it
 because it's lacking some important features, and most experienced
-programmers (including me) don't use it or recommend it to anyone.
+programmers (including me) don't use it or recommend it.
 
-In this chapter we'll download, install, set up and learn to use a
-better editor. The setup part will take some time, but it's worth it and
-correct settings will help you avoid many problems later.
+## Which editor?
 
-## Which editor should I use?
+The choice of an editor is a very personal thing. There are many
+editors, and most programmers have a favorite editor that they use for
+everything and recommend to everyone.
 
-These instructions are written for an editor called Geany. Its default
-settings are actually not very good for writing Python code, but you
-will learn to change the settings so you won't have trouble with
-switching to another editor later if you need to.
+If you aren't sure about which editor you should use, I recommend
+Porcupine. It's a simple editor I wrote in Python; it lets you edit
+files and it doesn't have too many other featues. [Install it with these
+instructions](https://github.com/Akuli/porcupine/wiki/Installing-and-Running-Porcupine),
+and then [learn to use it by writing the classic Hello World
+program](https://github.com/Akuli/porcupine/wiki/First-Program). Then
+you can [skip the rest of this chapter](TODO).
 
-Different programmers have different favorite editors that they use, and
-the choice of editor is a very personal thing. You can use almost any
-editor you want if you make sure that you change its settings the same
-way we change Geany's settings in this tutorial.
+Note that most other editors come with settings that are not suitable
+for writing Python code. **TODO:** *add a link to the old editor setup
+tutorial here*
 
-## Bad editors
-
-**[Skip this part](#installing-your-new-editor) if you are going to use
-Geany.**
-
-But some editors are not good enough for actually making something with
-them. These editors cannot be set up using these instructions because
-they don't have some of the features we need, so **don't use these
-editors for writing Python**:
+Most of these editors are lacking some important features, they have so
+use these editors if you like them, but **I dont recommend these editors
+for getting started with programming**:
 
+- Emacs
 - Gedit
 - IDLE
 - Nano
+- NetBeans
 - Notepad
 - Pluma
-- Wingware
-
-On the other hand, some editors have too many features for getting
-started with programming. They are not bad, but they are not meant for
-beginners. So **I don't recommend using these editors yet**:
-
-- Emacs
-- NetBeans
 - PyCharm
 - Spyder
 - Vim
+- Wingware
 
-These lists don't contain all bad editors, but these are editors that
+This list doesn't contain all bad editors, but these are editors that
 people often try to use. If you know a bad editor and you think I should
 mention it here, please [let me know](../contact-me.md).
 
-## Installing your new editor
-
-Installing Geany is easy. If you are using Windows or Mac OSX, go to
-[the official Geany download
-page](http://www.geany.org/Download/Releases) and click the correct
-download link. If you are using Linux, just install Geany from the
-package manager like any other program. For example, on Debian-based
-distributions (e.g. Ubuntu) you can type `sudo apt install geany` on a
-terminal.
-
-When you have Geany installed, you can launch it like any other program.
-By default, it has a big sidebar and bottom area, but we don't need them
-so you can start by dragging them away. Geany should look roughly like
-this after that:
-
-![Geany without the sidebar and bottom area.](../images/geany.png)
-
-## Dark background
-
-Geany has a white background by default, but we'll tell Geany to use a
-black background instead. Your eyes will thank you for doing this when
-you have been programming for a few hours.
-
-1. Click *Edit* at top and click *Preferences*.
-2. Click *Editor* at left.
-3. Click *Display* at top right.
-4. Check *Invert syntax highlighting colors*.
-5. Click *OK*.
-
-If you don't like the colors, you can install more [color
-schemes](https://github.com/geany/geany-themes/) and then go to *View*
-at top and click *Change Color Scheme*.
-
-## Opening and saving files
-
-Now it's time to create our first file. Geany creates a new file when
-you open it for the first time, but it doesn't know that it's going to
-be a Python file. We need to tell that to Geany by saving the file
-first. You can use the *File* menu at top or the buttons below the
-menus, just like in most other programs.
+## Editor or `>>>` prompt?
 
-Save the empty file on your desktop as `test.py`. The `.py` at the end
-of the name is important, it tells Geany and other programs that it's a
-Python file.
+So far we have used the `>>>` prompt for everything. But now we also
+have an editor that lets us write longer programs. So why not just
+always use the editor?
 
-## Automatic tab expanding
+The `>>>` prompt is meant to be used for experimenting with things. For
+example, if you want to know what `"hello" + 123` does, just open the
+prompt and run it.
 
-Open a Python file in your editor. Then press the tab key, and the
-cursor should move right. Now press the left arrow key. See how the
-cursor jumps over the empty space? The empty space is actually a tab
-character, but Python's style guide recommends using four spaces instead
-of tab characters so we'll need to change Geany's settings.
+If you want to write something once and then run it many times, write
+the code to a file. For example, if you want to make a program that asks
+the user to enter a word and then echoes it back, write a program that
+does that in a file and run it as many times as you want to.
 
-1. Click *Edit* at top, then click Preferences.
-2. Click *Editor* at left.
-3. Click *Indentation* at top.
-4. Select *Spaces* instead of *Tabs*.
-5. Click *OK*.
-6. Click *Project* at top and click *Apply Default Indentation*.
-
-Delete the whitespace, then press tab and press the arrow left again.
-Now the cursor should move one space at a time.
-
-**TODO:** animated gifs that show what's going on.
-
-## Stripping spaces when pressing Enter
-
-Press Tab and then press Enter, and Geany should add spaces to the new
-line automatically for you. If you are not using Geany, make sure that
-your editor does this too.
-
-Now press the arrow up and then move left and right. You'll notice that
-the previous line has spaces left over on it. Leaving useless spaces to
-ends of lines like this is usually considered bad style, but it's easy
-to tell Geany to get rid of them:
-
-1. Click *Edit* at top and click *Preferences*
-2. Click *Editor* at left.
-3. Click *Features* at top.
-4. Check *Newline strips trailing spaces*.
-5. Click *OK*.
-
-Press tab and Enter again. If you go back to the previous line now there
-is no whitespace on it.
-
-**TODO:** again, animated gifs
-
-## Maximum line length
-
-You have probably noticed that Geany displays a thin, green-ish line at
-right from where you type. The idea is that you should avoid writing
-anything longer than where this line is. Your programs will work if they
-contain lines that go past this marker, but it's not recommended because
-shorter lines are nicer to work with in general. People with small
-screens can work with your code, and people with large screens can have
-multiple files opened at the same time.
-
-By default, there's room for 72 characters before the marker. Staying in
-72 characters is not always easy, and that's why Python's style guide
-recommends 79 instead of 72. Let's move Geany's marker to 79 characters:
-
-1. Click *Edit* at top and click *Preferences*
-2. Click *Editor* at left.
-3. Click *Display* at top.
-4. Change 72 to 79.
-5. Click *OK*.
-
-## Running things from the editor
-
-This setting up stuff is boring! Let's write some code.
-
-We'll use this program to check if our editor is set up correctly.
-Create a new file and type this into it:
-
-```python
-import sys
-print(sys.version)
-```
-
-You don't need to understand this program yet, you'll learn what it does
-later in this tutorial. You can type this program on the `>>>` prompt to
-see what it does if you want to.
-
-Now save the program somewhere as `test.py`. It doesn't matter what the
-name of the file is, but it needs to end with `.py`. This way Geany
-knows that it's a Python file.
-
-Next we'll need to change Geany's settings so that it runs the program
-correctly. You need to have a Python file opened to change these
-settings.
-
-1. Click *Build* at top, then click *Set Build Commands*.
-2. The *Execute* command is probably `python "%f"`. Change it to
-    `py "%f"` if you are using Windows and `python3 "%f"` if you are
-    using Linux or Mac OSX.
-3. Click *OK*.
-
-Note that the first part of our *Execute* is the same thing [we type on
-a PowerShell or terminal](installing-python.md#running-python). Actually
-the whole command means "run this file using my Python".
-
-Now press the F5 key at the top of your keyboard to run the file we
-wrote. It should open up in a terminal or command prompt and print the
-same Python version as the `>>>` prompt prints when we open it. If the
-version starts with 2 it's too old, and you can [ask
-me](../contact-me.md) or some other experienced programmer for help.
-
-## Important notes
-
-Now your editor is ready to go. There are a couple important things that
-you need to keep in mind when reading the rest of this tutorial:
-
-- When a code example starts with `>>>`, type it to the `>>>` prompt. If
-    it doesn't, create or open a `.py` file with your editor, type the
-    code into it and run the file.
-- When we type some code to the `>>>` prompt it [echoes back the
-    result](getting-started.md) [when it's not None](variables.md#none),
-    but code in a file does nothing to the result. For example, typing
-    `1 + 2` to the `>>>` prompt makes it echo `3`, but we need to do
-    `print(1 + 2)` if we want to do the same thing in a file.
-- The editor doesn't replace the `>>>` prompt. The prompt is good for
-    trying things out quickly, and the editor is better when we want to
-    write longer programs.
-
-## You're done!
-
-This probably felt like a lot of work, but don't worry, there will be no
-more things like this in the future. Now we have installed and set up
-all the tools we need and we can continue learning Python.
+Note that if you write something like `'hello'` to the `>>>` prompt it
+echoes it back, but if you make a file that contains nothing but a
+`'hello'` it won't do anything when you run it. You need to use
+`print('hello')` instead when your code is in a file.
 
 ***