Add Python beginner examples with heavily-commented code

[Copilot]

Overview

This PR adds a complete set of Python learning examples designed for RobotX Workshops students. The repository now contains four well-documented Python files that teach fundamental programming concepts through simple, heavily-commented code.

Changes Made

Enhanced Documentation

• README.md: Expanded with comprehensive guide including:
  • Clear repository purpose and learning objectives
  • Detailed overview of each example file
  • Step-by-step usage instructions
  • Learning tips for beginners
  • Encouragement and support resources

Python Example Files

01_variables.py

Introduces the four basic Python data types:

• int: Whole numbers with practical examples and math operations
• float: Decimal numbers with precision examples
• string: Text manipulation, concatenation, and methods
• bool: Boolean values, comparisons, and logical operators

02_control_flow.py

Demonstrates program flow control:

• if/else statements: Decision making with multiple conditions and nested logic
• for loops: Iteration with range(), enumerate(), and nested loops
• while loops: Condition-based repetition with break and continue

03_functions.py

Teaches function creation and usage:

• Basic function definitions with docstrings
• Functions with parameters and default values
• Return values and multiple return values
• Practical examples (temperature converter, grade calculator, etc.)
• Variable scope concepts

04_data_structures.py

Covers essential data structures:

• Lists: Creation, indexing, slicing, modification, and methods
• Dictionaries: Key-value pairs, accessing, modifying, and iteration
• Nested structures and practical applications
• Guidance on choosing between lists and dictionaries

Key Features

• ✅ Heavy commenting: Every file includes extensive explanations suitable for beginners
• ✅ Practical examples: Real-world scenarios students can relate to
• ✅ Progressive learning: Files numbered and designed for sequential study
• ✅ Tested code: All examples run successfully without errors
• ✅ Best practices: Each file includes tips and summaries

Testing

All Python files have been executed successfully and produce the expected educational output without errors.

Happy coding! 🚀

Original prompt

Generate a Python project with simple, heavily-commented code for beginners.

Create a README.md explaining the repo's purpose.

Create four files:

01_variables.py (int, float, string, bool)

02_control_flow.py (if/else, for loop, while loop)

03_functions.py (define a function with arguments and a return value)

04_data_structures.py (create and access a list and a dictionary)

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