Python Functions

What is a function in Python?

• A function in Python is a keyword used for comments

• A function in Python is a type of loop

• A function in Python is a block of reusable code that performs a specific task.

• A function in Python is a variable that stores data

How do you define a function in Python?

• function_name(parameters):

• def function_name(parameters):

• define function_name(parameters):

• function_name(parameters)

What is the difference between parameters and arguments in a function?

• Parameters are defined in the function declaration, while arguments are the actual values passed to the function during its invocation.

• Parameters are passed by reference, while arguments are passed by value.

• Parameters are used in built-in functions, while arguments are used in user-defined functions.

• Parameters are optional, while arguments are mandatory in a function.

Explain the concept of return statement in Python functions.

• The return statement in Python functions is used to import a module

• The return statement in Python functions is used to print a value

• The return statement in Python functions is used to loop through the function

• The return statement in Python functions is used to exit the function and return a value back to the caller.

Can a function return multiple values in Python? If yes, how?

• Return the values as a list

• Assign each value to a separate variable

• Use a dictionary to return multiple values

• Return the values as a tuple

What is the purpose of a docstring in Python functions?

• To define the function name

• To provide documentation about the function

• To execute the function

• To import modules into the function

How can you pass a variable number of arguments to a Python function?

• By using a dictionary

• By using a tuple

• By using the *args syntax

• By using the **kwargs syntax

What is the scope of a variable defined inside a Python function?

• The variable is only accessible within the function

• The variable is accessible globally

• The variable is accessible within the module

• The variable is accessible within the class

What is the purpose of the 'pass' statement in Python functions?

• To skip a specific block of code

• To terminate the function immediately

• To indicate that no action is required

• To return a value from the function

How can you make a function in Python return None explicitly?

• By not including a return statement

• By using the 'return None' statement

• By using the 'return' keyword without any value

• By using the 'return 0' statement