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Python Strings and String Methods
Strings are immutable Unicode sequences. This guide explains indexing, slicing, formatting, searching, splitting, joining, whitespace normalization, enc...
Continue ReadingPython List, Set and Dictionary Comprehensions
Comprehensions create collections from iterables with optional transformations and filters. They can improve clarity for straightforward mappings, but...
Continue ReadingPython Classes and Objects
Classes define object behavior and state. This guide introduces instances, attributes, methods, initialization, class attributes, instance attributes, r...
Continue ReadingPython Inheritance and Polymorphism
Inheritance allows classes to specialize or reuse behavior, while polymorphism enables code to work through shared interfaces. Prefer...
Continue ReadingPython Encapsulation and Abstraction
Python supports conventions for internal attributes, properties, abstract base classes, and protocol-oriented design. Encapsulation is about preserving ...
Continue ReadingPython Constructors, self and Dunder Methods
__init__ initializes a newly created instance, self refers by convention to that instance, and special methods integrate objects...
Continue ReadingPython Exceptions and Error Handling
Exceptions communicate failures and exceptional conditions. This guide covers try, except, else, finally, raising exceptions, exception chaining, custom...
Continue ReadingPython File Handling
File handling uses open and context managers to manage resources safely. Text encoding, newline behavior, path handling, streaming...
Continue ReadingPython REST APIs and HTTP Clients
HTTP APIs exchange resources through requests and responses. Reliable Python clients and services need explicit timeouts, status handling,...
Continue ReadingTesting and Debugging Python Applications
Testing protects behavior and supports refactoring. Python projects can combine unit, integration, and end-to-end tests with logging, debugging...
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