PYTHON DEMO CODES

These are set of codes intended to demostrate the most commonly used syntax usage with codes. They cover the most common use + implementation cases for most concepts and built in functionality. If you have more to add please do send a pull request.

Basics

Basic Installation Steps
Using Python with a file
Single and MultiLine Comments
Variables: Using None (Null value) and Alternative to Variable declaration without value
FlowControl:
FlowControl:
FlowControl:
FlowControl: for loops
FlowControl: While loops
FlowControl: Infinite While loops and implications
FlowControl: While loops and using not Boolean Operator
FlowControl: break, continue keyword
Functions: Usage
Functions: Usage of Arguments, Keyword Arguments, and Default values to Arguments
Functions: Multiple return values, Single line function expressions
Scope: Local Variables and Functions/Classes
Scope: Global Variables and Functions/Classes
Scope: Global Local Variables Usage
Scope: Using Global keyword and Global Scope
Scope: Common Scope Rules
Error Handling: try...except block
Error Handling: try...except ErrorName block
Data Type: Data Types
Data Type: Complex Numbers
Data Type: Bytes Array and Memory View
Data Type: Type Conversion
Functions: Lambda Functions
Functions: Inbuilt Functions and Lambda usage
del keyword to Delete objects/Variables
Context Management and with keyword usage
Constants in Python
Constants: Support file
Excercises: Basics

Different Operators in Python

Operators: Assignment Operators Usage
Operators: Membership Operators Usage
Operators: Arithmatic Operators Usage
Operators: Augmented Assignment Operators Usage
Operators: Augmented Assignment Operators Usage
Operators: Comparision Operators Usage
Operators: Identity Comparision Operators Usage
Operators: Boolean / Logical Operators Usage
Destructuring: Multiple Assignments (Lists, Tuples, Dictionaries)
Destructuring: Rules and Errors

Data Types: Lists

Syntax/Lexical Grammer, Data Types: Reassignation, not modification
Data Types: Lists
Data Types: List methods - remove
Data Types: Method usage apply on wrong types
Data Types: Method usage apply on wrong types 2
Data Types: Method remove - ValueErrors
Data Types: Method - sort
Data Types: Method - sort (alphabets)
Data Types: sort - TypeError
Data Types, Syntax/Lexical Grammer: Indentation Errors
Data Types: List reference
Data Types: Passing lists as a reference as arguments into functions
Data Types: List related error
Data Types: List - copy
Data Types: List - deepcopy
Data Types: List Manipulation
Data Types: List loops
Data Types: Looping lists
Data Types: Method - index
Data Types: Methods
Data Types: Method - index related Error
Data Types: Method - Errors
Data Types: Method - append
Data Types: Method - insert

Data Types: Tuple

Data Types: Tuples
Data Types: Tuples - Error while trying to mutate or modify
Data Types: Tuples as data type for multiple return values from functions
Data Types: Strings behaviour as lists
Data Types: Strings - Immutability
Data Types: Named Tuple

Data Types: Strings, Integers

Data Types: Strings
Data Types: String Methods
Data Types: Strings - Strings as lists
Data Types: Strings - Immutability
Data Types: Integers
Data Types: Integers Methods
Data Types: Complex
Data Types: Complex Methods

Data Types: Dictionaries

Data Types: Dictionaries
Data Types: Method - setdefault usage
Data Types: setdefault usage 2
Data Types: Dictionaries KeyErrors
Data Types: Dictionaries Method - keys
Data Types: Dictionaries Method - values
Data Types: Dictionaries Method - items
Data Types: Dictionaries - Mutiple assignation / Destructuring
Data Types: Dictionaries to True Lists
Data Types: Dictionaries - get existence of key
Data Types: Dictionaries Method - get existence of key
Data Types: Dictionaries - Create using single line for loops

Data Types: Sets

Data Types: Sets
Data Types: Sets manipulation and Methods
Data Types: FrozenSets
Data Types: FrozenSets Methods

Data Types: Arrays, Others

Data Types: Array (not inbuilt type)
Data Types: Array Methods
Data Types: Time (not inbuilt type)
Data Types: Other Inbuilt Data Types
Data Types: Other Data Types - Modules
Data Types: Data Types Based on use cases

Classes and OOPs

Classes and OOPs: Classes Intro
Classes and OOPs: Constructor __init__ usage
Classes and OOPs: Class Object Life Cycle
Classes and OOPs: Python Context - property, attribute difference
Classes and OOPs: Class Descriptors gets, sets
Classes and OOPs: Constructor __init__ usage
Classes and OOPs: Inheritance, isinstance, issubclass
Classes and OOPs: Polymorphism Concept
Classes and OOPs: Multiple Inheritance
Classes and OOPs: Multiple Inheritance - super() usage
Classes and OOPs: Multiple Inheritance Parent classes instantiation
Classes and OOPs: Private attribute access
Classes and OOPs: Overwriting, Overiding, Overloading
Classes and OOPs: Classes as Objects
Classes and OOPs: Iteration of objects
Classes and OOPs: @dataclass usage for interfaces mock
Classes and OOPs: Static Classes and Methods
Classes and OOPs: Abstract Classes

Classes and Magic Methods

Classes and OOPs: Comparison Magic Methods
Classes and OOPs: Numeric, Unary Magic Methods
Classes and OOPs: Numeric, Normal Magic Methods
Classes and OOPs: Numeric, Reflected Arithmatic Magic Methods
Classes and OOPs: Type Conversion Magic Methods
Classes and OOPs: Attribute, Access Magic Methods
Classes and OOPs: Representation Magic Methods
Classes and OOPs: Reflection Magic Methods
Classes and OOPs: Callable, Objects Magic Methods
Classes and OOPs: Private attributes usage
Classes and OOPs: Context Manager Magic Methods
Classes and OOPs: Abstract Base class Magic Methods
Classes and OOPs: Descriptor Magic Methods
Classes and OOPs: Copying Magic Methods
Classes and OOPs: Pickling (Magic Methods)
Classes and OOPs: Custom Sequences Magic Methods
Classes and OOPs: Numeric, Augmented, Assignment Magic Methods

Classes and Metaclasses

Classes and OOPs: Metaclasses
Classes and OOPs: Metaclass with __call__ usage
Classes and OOPs: Metaclass with __call__ usage
Classes and OOPs: Metaclass - Manipulate attr, methods, bases, and __dict__ definition before object creation using __new__