In this chapter, Python IDLE, you will learn what an IDE is, what Python IDLE is, its features, the Python IDLE interface and its components, and how to write and run Python programs using IDLE.
In the previous chapter, we learned what Python is and how to download and install it on a computer. Now, we are going to learn about Python IDLE, the default IDE (Integrated Development Environment) provided with Python which provide comprehensive environment for writing, editing, debugging, testing, and running programs.
Components Installed with Python
When Python is installed on a computer, several components are installed together. These components work collectively to provide a complete Python programming environment. These are:
├── Python Interpreter
├── Python Standard Library
├── IDLE
└── Other Utilities
🔗 To Know more about Python, Download and Installation click Here
Python Interpreter
The Python Interpreter is a software program that reads, translates, and executes Python code. It acts as a bridge between the programmer and the computer. Without the Python Interpreter, Python programs cannot be executed.
Python Standard Library
The Python Standard Library is a collection of pre-written modules and functions that provide additional functionality for Python programs. It allows programmers to perform tasks such as file handling, mathematical calculations, working with dates and times, and much more without writing everything from scratch.
IDLE
IDLE stands for Integrated Development and Learning Environment. Python IDLE is the default IDE (Integrated Development Environment) provided with Python. An IDLE is a software application that provides tools for writing, editing, running, debugging, and testing programs.
Other Utilities
Python installation also includes several supporting utilities and tools that help in managing and running Python programs.
What is an IDE?
IDE stands for Integrated Development Environment.
An IDE is a software application that provides all the essential tools required for programming in a single environment. Instead of using separate tools for writing code and executing programs, an IDE combines them together.
An IDE generally includes:
- A Code Editor
- Python Interpreter
- Debugger
- Run Button
- File Management Features
Some popular Python IDEs include:
- IDLE
- PyCharm
- Visual Studio Code (VS Code)
- Spyder
Among these, IDLE is the simplest and is specially designed for beginners.
What is Python IDLE?
IDLE stands for Integrated Development and Learning Environment. Python IDLE is the default IDE (Integrated Development Environment) provided with Python. An IDLE is a software application that provides tools for writing, editing, running, debugging, and testing programs.
IDLE is important in Python programming because it provides an easy and efficient way to write, debug, and test Python code. It is also a great tool for beginners because it has a simple interface that is easy to navigate.
Features of Python IDLE
| Feature | Purpose |
| Python Shell | Execute Python commands and see results immediately |
| Code Editor | Write, edit, and save Python programs |
| Syntax Highlighting | Displays code in different colors for better readability |
| Code Completion | Suggests code elements while typing |
| Auto Indentation | Automatically maintains proper indentation |
| Debugger | Helps find and fix errors in programs |
| Testing (Quick Testing) | Allows quick testing of code and logic |
| Program Execution Facilities | Enables easy execution of Python programs |
How to Start Python IDLE?
- Click Start Menu.
- Search for IDLE.
- Click IDLE (Python 3.x).
- The IDLE window opens.
Note: When we open IDLE, it starts in Interactive Mode by default, and the window that opens is called the Python Shell. It allows us to enter Python commands and see the results immediately.
Understanding the Python IDLE Interface and its Features
When you open IDLE, you will see a simple interface that consists of three main windows: the Python Shell, the Editor , and the Debugger.
Python Shell
The Python Shell is an interactive window where you can type Python commands directly and execute them instantly, seeing the output right away. It’s very useful for quickly testing small programs and commands.
Editor
The Editor is the place where you can write, edit, and save your Python programs. The Editor window is generally used for creating larger programs.
Debugger
The Debugger is a tool that helps find and fix errors in a program. With its help, you can execute the program step-by-step and see how each line is functioning.
Menu Bar and Toolbar
In addition to these main windows, IDLE also has a Menu Bar and Toolbar, from where you can easily access many other features and functions of Python.
Creating Your First Python Program in IDLE
Follow these simple steps to create your first Python program in IDLE:
- Step 1: Open Python IDLE on your computer.
- Step 2: Click on File > New File in the menu bar at the top. This will open a new blank editor window.
- Step 3: Type the following code in the Editor Window:
print(“techtipnow.in”) - Step 4: To save the program, click on File → Save As and save the file with a name of your choice using the .py extension. Example: myprogram.py
- Step 5: To run the program, click on Run → Run Module, or press the F5 key on your keyboard.
- After the program executes, the following output will appear in the Python Shell:
techtipnow.in
🎉 Congratulations! You have successfully created, saved, and executed your first Python program in IDLE. This is your first step into the world of Python programming.