4. Fruitful functions

• 4.1. Fruitful functions
• 4.2. Conditional Execution
• 4.3. Alternative Execution
• 4.4. Chained Conditionals
• 4.5. Nested Conditionals
• 4.6. The return keyword
• 4.7. Returning early
• 4.8. Returning from main
• 4.9. Program Development
• 4.10. Function Composition
• 4.11. Overloading
• 4.12. Boolean Values
• 4.13. Boolean Variables
• 4.14. Logical operators
• 4.15. Bool Functions
• 4.16. Glossary
• 4.17. Multiple Choice Exercises
• 4.18. Mixed Up Code Practice
• 4.19. Coding Practice