+ Python - Interactive Mode

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Python/Interactive Mode.md

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+### What is it?
+
+Interactive mode in Python is a mode where the interpreter reads commands directly from a terminal (tty). It is designed for testing and immediate execution of commands. When Python starts in this mode, it displays a welcome message that includes the version number and prompts the user for input. The interactive mode is part of the broader functionality of the Python Interpreter, which is detailed in [[Invoking the Interpreter]].
+### How to Use It:
+#### Starting Interactive Mode
+- Start Python in interactive mode by typing `python` or `python3.13` (for Python 3.13) in a terminal.
+- The interpreter prompts with `>>>` (primary prompt) for a new command or `...` (secondary prompt) for continuation lines in multi-line constructs.
+#### Example Session
+
+```plaintext
+python3.13
+Python 3.13 (default, April 4 2023, 09:25:04)
+[GCC 10.2.0] on linux
+Type "help", "copyright", "credits" or "license" for more information.
+>>>
+```
+#### Example of a Multi-Line Construct
+
+```python
+>>> the_world_is_flat = True
+>>> if the_world_is_flat:
+...     print("Be careful not to fall off!")
+...
+Be careful not to fall off!
+```
+#### Exiting Interactive Mode
+- Type `exit()` or press `Ctrl+D` (Linux/Mac) or `Ctrl+Z` (Windows) to leave interactive mode.
+### Insights:
+#### Key Features of Interactive Mode
+
+1. **Primary Prompt (`>>>`)**: Used for new commands.
+2. **Secondary Prompt (`...`)**: Used for continuation lines in constructs like loops or conditionals.
+3. **Welcome Message**: Displays Python version and other information before the first prompt.
+4. **Dynamic Testing**: Ideal for quick testing and debugging small code snippets.
+### References:
+- Python Official Docs: [Interactive Mode](https://docs.python.org/3/tutorial/appendix.html#tut-interac)