Functions and parameters flashcards

What is a function?

A block of code that performs a specific task.

Define parameters.

Variables used to pass information into functions.

Difference between arguments and parameters?

Parameters are placeholders; arguments are actual values passed.

True or false: Functions can return values.

True, because functions can send back results to the caller.

What is a return statement?

Used to end a function and send a value back to its caller.

Fill in the blank: A function must be ______ before it can be called.

defined

What are local variables?

Variables defined within a function, inaccessible outside of it.

True or false: Functions can modify global variables.

True, if declared global inside the function.

What is a function signature?

The combination of a function's name and its parameters.

Define a void function.

A function that does not return a value.

Question: Can a function call itself?

Yes, this is known as recursion.

Difference between built-in and user-defined functions?

Built-in functions are provided by the programming language; user-defined are created by developers.

Give an example of a function call.

myFunction(arg1, arg2);

True or false: Functions can take multiple parameters.

True, functions can accept as many parameters as needed.

What is scope in programming?

The context in which variables can be accessed.

What does it mean to 'call' a function?

To execute the code contained within the function.

Fill in the blank: A function can be called ______ times.

multiple

What do you use to define a function in Python?

The 'def' keyword.

What is an anonymous function?

A function that is defined without a name, often used for short tasks.

How to pass default parameters?

By assigning a default value in the function definition.

True or false: Parameters can have different types.

True, parameters can be of various data types.