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Table of Contents Introduction to Metaclasses What Are Metaclasses? Why Use Metaclasses in Python? Understanding the Basics: How Python Classes Work How Metaclasses Work Defining a Metaclass Using a Metaclass for...

Table of Contents Introduction What is Memoization? How Memoization Works Manual Implementation of Memoization Python’s Built-in Memoization: functools.lru_cache Custom Caching Techniques Difference Between Memoization and General Caching Real-World Use Cases When Not to...

Table of Contents Introduction What Are Anonymous Functions? The lambda Keyword Explained Syntax and Rules of Lambda Functions Use Cases of Anonymous Functions What Are Higher-Order Functions? Common Higher-Order Functions: map(),...

Table of Contents Introduction What is an Iterator? The Iterator Protocol Why Create Custom Iterators? Building a Custom Iterator Class Using __iter__() and __next__() Properly Example 1: A Simple Range Iterator Example...

Table of Contents Introduction What is Introspection in Python? Understanding Reflection in Python The inspect Module: An Overview Practical Examples of Introspection and Reflection Best Practices for Using Introspection and...

Table of Contents Introduction Understanding Dynamic Execution The eval() Function Syntax Examples Security Considerations The exec() Function Syntax Examples Use Cases The compile() Function Syntax Examples How it Integrates with eval() and exec() Practical Scenarios for Dynamic Execution Security Risks...

Table of Contents Introduction What is a Context Manager? Why Use Context Managers? The with Statement Explained Built-in Context Managers in Python Creating Custom Context Managers (Using Classes) Creating Context Managers...

Table of Contents Introduction What are Decorators? Why Use Decorators? First-Class Functions in Python How to Write a Simple Decorator from Scratch Using @ Syntax for Decorators Handling Arguments with Decorators Returning...

Table of Contents Introduction What are Closures? Key Characteristics of Closures Understanding Free Variables How Closures and Free Variables Work Together Practical Examples of Closures Real-world Applications of Closures Common Pitfalls and...

Table of Contents Introduction What are Generators? Why Use Generators? Creating Generators with Functions (yield) How Generators Work Internally Generator Expressions: A Compact Alternative Differences Between Generator Expressions and List Comprehensions Use...

Table of Contents Introduction What is an Iterable? What is an Iterator? The Relationship Between Iterables and Iterators Creating Iterators Using iter() and next() Custom Iterator Classes with __iter__() and...

Table of Contents Introduction Basic String Manipulation Recap Advanced String Manipulation Techniques String Formatting with f-strings String Encoding and Decoding Regular Expressions for String Matching Multi-line Strings and String Joining String Slicing...