ExamAdept

How do you pass a variable number of keyword arguments to a function?

A:

Using the **kwargs syntax

B:

Using the *args syntax

C:

Using the varkwargs() function

D:

Using the kwarg_count parameter

Answer: A

The **kwargs syntax allows a function to accept a variable number of keyword arguments.

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What will be the result of the following code snippet?

def power(x, n=2):
    return x ** n

result = power(3)
print(result)

A:

6

B:

9

C:

3

D:

12

Answer: B

The function power calculates the square of the given argument x by default, and in this case, it squares 3, resulting in 9.

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What is the purpose of the nonlocal keyword?

A:

Declares a local variable

B:

Specifies the scope of a function

C:

Converts a global variable to a local variable

D:

Refers to a variable in the nearest enclosing scope

Answer: D

The nonlocal keyword is used to indicate that a variable refers to the nearest enclosing scope that is not global.

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What does the term "recursion" refer to in the context of programming?

A:

Declaring a variable again

B:

A function calling itself

C:

Reassigning the value of a variable

D:

Using a loop construct

Answer: B

Recursion is a programming concept where a function calls itself in its own definition.

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What is the purpose of the lambda keyword?

A:

Declares a variable

B:

Defines a class

C:

Creates an anonymous function

D:

Specifies the return type of a function

Answer: C

The lambda keyword is used to create anonymous functions, also known as lambda functions.

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Questions for: Functions