Functions

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A function is a named group of instructions that accomplish a specific task when invoked. It allows code reusability, better organization, and modular programming. Functions can accept inputs (paramet

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Modular programming is the process of dividing a computer program into separate independent blocks of code with specific functionalities. Benefits: increases readability, reduces code length, increase

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def <Function_name>([parameter1, parameter2,...]): set of instructions to be executed [return <value>] Note: Function header ends with colon (:), parameters are optional, return statement is

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Parameter: A variable defined in the function header that receives values when the function is called. Argument: The actual value passed to the function during the function call. Example: In def add(a

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Default parameters are parameters with predefined values that are used when the function call doesn't provide corresponding arguments. Example: def greet(name, msg='Hello'): print(f'{msg}, {name}'

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A void function is a function that does not return any value using the return statement. It performs operations but doesn't send back any result. Example: def display_message(): print('Welcome to

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Python functions can return multiple values using tuples. The values are automatically packed into a tuple. Example: def calc_area_perimeter(length, breadth): area = length * breadth perimeter

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Flow of execution is the order in which statements are executed: 1. Python starts from the first statement 2. Executes statements sequentially from top to bottom 3. When a function call is encountered