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…

Keyword-Only Arguments in Python Keyword-only arguments are function parameters that must be passed using their keyword names. They cannot be passed as positional arguments. Syntax Use the * symbol in the function definition to indicate that all parameters after it are keyword-only: python def function_name(param1, param2, *, keyword_only1, keyword_only2): # function body Simple Examples Example 1: Basic Keyword-Only Arguments…

Negative slicing in Python lists lets you access elements from the end of the list. It’s a handy way to get a portion of a list without knowing its exact length. In negative slicing, you use negative numbers as indices. The index -1 refers to the last element, -2 to the second to last, and…

Python List Methods: index(), count(), reverse(), sort() Let’s explore these essential list methods with multiple examples for each. 1. index() Method Returns the index of the first occurrence of a value. Examples: python # Example 1: Basic usage fruits = [‘apple’, ‘banana’, ‘cherry’, ‘banana’] print(fruits.index(‘banana’)) # Output: 1 # Example 2: With start parameter print(fruits.index(‘banana’, 2)) # Output: 3 (starts searching…

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:…