In Python, operators are special symbols that perform operations on variables and values. They are categorized based on their functionality: ⚙️ 1. Arithmetic Operators ➕➖✖️➗ Used for mathematical operations: Python 2. Assignment Operators ➡️ Assign values to variables (often combined with arithmetic): Python 3. Comparison Operators ⚖️ Compare values → return True or False: Python…
Object-Oriented Programming: Generalization vs. Specialization Introduction Inheritance in OOP serves two primary purposes: Let’s explore these concepts with clear examples. 1. Specialization (Extending Functionality) Specialization involves creating a new class that inherits all features from a parent class and then adds new, specific features. The core idea is reusability—you build upon what already exists. Key Principle: Child Class =…
Function Returns Multiple Values in Python In Python, functions can return multiple values by separating them with commas. These values are returned as a tuple, but they can be unpacked into individual variables. Basic Syntax python def function_name(): return value1, value2, value3 # Calling and unpacking var1, var2, var3 = function_name() Simple Examples Example 1:…
Functions as Parameters in Python In Python, functions are first-class objects, which means they can be: Basic Concept When we pass a function as a parameter, we’re essentially allowing one function to use another function’s behavior. Simple Examples Example 1: Basic Function as Parameter python def greet(name): return f”Hello, {name}!” def farewell(name): return f”Goodbye, {name}!” def…
1. replace() Method Purpose: Replaces occurrences of a substring with another substring.Syntax: python string.replace(old, new[, count]) Examples: Example 1: Basic Replacement python text = “Hello World” new_text = text.replace(“World”, “Python”) print(new_text) # Output: “Hello Python” Example 2: Limiting Replacements (count) python text = “apple apple apple” new_text = text.replace(“apple”, “orange”, 2) print(new_text) # Output: “orange orange apple”…
Case Conversion Methods in Python (Syntax + Examples) Python provides several built-in string methods to convert text between different cases (uppercase, lowercase, title case, etc.). Below are the key methods with syntax and examples: 1. upper() – Convert to Uppercase Purpose: Converts all characters in a string to uppercase.Syntax: python string.upper() Examples: python text = “Hello, World!”…