The Python Interpreter & IDLE in Windows

Python 3: From Scratch to Intermediate ZERO LEVEL: Python 3 - Basics
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Transcript

First of all, remember that you can run or execute your Python code in two ways, either by writing your code inside the Python file, also call the script and then execute that file or using the Python interpreter. You can think of the interpreter as being a live session of Python, where each line of code you enter gets executed immediately. Whereas using Python scripts, you can write your code now, save the file and run it later whenever you choose to. Now focusing on the interpreter, you have two options. The first option is to use this one right here in the windows command line. This works perfectly but as you can see, it's not so eyecatching, at least for me, it isn't.

Don't worry, there is another option available. When installing Python you also get idle, which is pythons ID. Id stands for integrated development. environment that's a multiple. And in short, it revolves around the Python interpreter, also adding lots of features and settings to make your programming experience better. To access idle, all you have to do is go to your start menu and search for idle.

Next, open it. And let's have a quick overview of pythons ID. As you can notice already, this looks awfully similar to the output we got inside the windows command line after typing in the Python command right. Now, of course, depending on when you're watching this video, some of these version numbers made slightly differ, but that's no reason to worry, every bit of this course stays relevant nonetheless. Another thing here that you may notice is the font size. Maybe in your case, you have a smaller font size than mine.

That's because I have already customized it to look bigger and prettier. You can do that as well. By going to options configure idle, and then selecting the font size, and also the font face you like better. Also make sure that the indentation with is set to four spaces, you will understand why this setting is so important later on in the course. You can also go to the keys tab, and may be customized some keys and shortcuts in order to further improve and optimize your idle experience. However, it is not my purpose to go through all of the settings and options.

Instead, I wanted you to know how to configure your working environment on a basic level. Remember to hit apply and okay. And now you're good to go. I think you can now understand why I like this version of the interpreter better than the windows command line version. Also, keep in mind that you can run as many simultaneous sessions of idle as you need, without one interfering with the other. They will be completely separate working environments.

However, the fonts font size and key shortcuts are also kept across all the sessions of idle. Now you have the Python interpreter ready to use and expecting your code. We will use it a lot across this course Don't worry. Next we're going to take a look at the other way of running Python code using scripts.

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