| Icons |
| id - function |
| Identifier |
| IDLE (Integrated Development Learning Environment) |
| IDLE Script Mode |
| If - Then - Else |
| if elif else |
| if else |
| If Exists |
| If Not Then |
| If Statement |
| If Statements - Nested |
| Ignoring Errors |
| img - function |
| Immortal |
| Immutable |
| import math |
| import OS |
| Import Path |
| import random |
| import time |
| import tkinter |
| import turtle |
| Importer |
| ImportError - Error Handling |
| Importing |
| Importing Data |
| in - operator |
| Inches |
| Indent |
| Indenting Code |
| Inequality Operator |
| inf - constant |
| Inheritance |
| Initialise Array |
| input - function |
| Input Box |
| input/output (I/O) |
| Insert File |
| Inserting Files |
| Inserting Modules |
| Insertion Sort |
| Installing Modules |
| int - function |
| Int Division (//) |
| Integer Comparison |
| Integer Data Type |
| Integer to String |
| Integers |
| Integrated Development Environment (IDE) |
| Integrated Development Learning Environment (IDLE) |
| Intentional Errors |
| Interactive |
| interp - function |
| Interpolation |
| Interpreted |
| Interpreted Shutdown |
| io.FileIO |
| io.RawIOBase |
| is - operator |
| isclose - function |
| isfinite - function |
| isinf - function |
| isinstance - function |
| isnan - function |
| isqrt - function |
| issubclass - function |
| iter - function |
| Iterable |
| Iteration |
| Iterator |