Python Functions

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Question 1

What is a function in Python?

  • A keyword

  • A type of variable

  • An imported library

  • A block of code that performs a specific task.


Question 2

Which of the following keyword is used to define a function in Python?

  • func

  • def

  • class

  • void

Question 3

What happens when a variable is defined inside a function and you attempt to access it from outside that function's body?

  • The variable is accessed normally.

  • The variable is stored in the global namespace.

  • The value returns as 'None'.

  • Python raises a NameError because the variable exists only in the local scope.

Question 4

Which specific keyword is required to modify a variable in the outer (enclosing) function from within an inner function?

  • self

  • global

  • nonlocal

  • static

Question 5

If a function is defined to return a value but does not include a return statement, what will be the result?

  • The function will return a default value of 0

  • The function will return an error

  • The function will return None

  • The function will return the last executed statement

Question 6

Which of the following statements about functions returning other functions is true?

  • A function cannot return another function in Python

  • The returned function can access variables from the outer function

  • The returned function must be called immediately

  • The outer function's execution must be completed before returning

Question 7

Which keyword is used in Python to create an anonymous function that can be defined in a single line without a name?

  • anonymous

  • inline

  • lambda

  • def

Question 8

What is the output of the following program :

python 
y = 8
z = lambda x : x * y
print(z(6))

  • 48

  • 14

  • 64

  • None of the above

Question 9

What is the primary difference between *args and **kwargs?

  • *args handles keyword arguments, while **kwargs handles positional arguments.

  • *args is used for recursion, while **kwargs is used for iteration.

  • *args collects arguments into a list, while **kwargs collects them into a tuple.

  • *args collects positional arguments into a tuple, while **kwargs collects keyword arguments into a dictionary.

Question 10

What is the output of the following program?

python 
def update_val(x):
    x = x + 10

num = 5
update_val(num)
print(num)

  • 15

  • None

  • 5

  • Error: local variable referenced before assignment

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