2. Basic Data Structures¶

Basic Data Structures

• 2.1. Objectives
• 2.2. What Are Linear Structures?
• 2.3. What is a Stack?
• 2.4. The Stack Abstract Data Type
• 2.5. Implementing a Stack in Python
• 2.6. Simple Balanced Parentheses
• 2.7. Balanced Symbols (A General Case)
• 2.8. Converting Decimal Numbers to Binary Numbers
• 2.9. Infix, Prefix and Postfix Expressions
  • 2.9.1. Conversion of Infix Expressions to Prefix and Postfix
  • 2.9.2. General Infix-to-Postfix Conversion
  • 2.9.3. Postfix Evaluation
• 2.10. What Is a Queue?
• 2.11. The Queue Abstract Data Type
• 2.12. Implementing a Queue in Python
• 2.13. Simulation: Hot Potato
• 2.14. Simulation: Printing Tasks
  • 2.14.1. Main Simulation Steps
  • 2.14.2. Python Implementation
  • 2.14.3. Discussion
• 2.15. What Is a Deque?
• 2.16. The Deque Abstract Data Type
• 2.17. Implementing a Deque in Python
• 2.18. Palindrome-Checker
• 2.19. Lists
• 2.20. The Unordered List Abstract Data Type
• 2.21. Implementing an Unordered List: Linked Lists
  • 2.21.1. The Node Class
  • 2.21.2. The Unordered List Class
• 2.22. The Ordered List Abstract Data Type
• 2.23. Implementing an Ordered List
  • 2.23.1. Analysis of Linked Lists
• 2.24. Summary
• 2.25. Key Terms
• 2.26. Discussion Questions
• 2.27. Programming Exercises