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Python Functions


1. What is the purpose of the map function in Python?

It applies a function to each element of an iterable and returns a new iterable

It filters an iterable based on a given function

It converts an iterable to a dictionary

It sorts an iterable based on a given function


2. What is a lambda function in Python?

A function that is defined within another function

A function that can be called recursively

A function that is defined using the lambda keyword and has no name

A function that is defined using the def keyword and has no name


3.

What is the output of the following code?
numbers = [1, 2, 3, 4, 5]
def square(x):return x * x
squared_numbers = map(square, numbers)
print(list(squared_numbers))

[1, 4, 9, 16, 25]

[1, 2, 3, 4, 5]

[2, 4, 6, 8, 10]

[3, 6, 9, 12, 15]


4.

What is the output of the following code?
def my_function(x, y):return x ** y
result = my_function(2, 3)
print(result)

5

8

6

1


5. What is the purpose of the filter function in Python?

It applies a function to each element of an iterable and returns a new iterable

It filters an iterable based on a given function

It converts an iterable to a dictionary

It sorts an iterable based on a given function


6.

What is the keyword used to define a function in Python?

define

function

def

create


7. What is the purpose of the *args parameter in a function definition?

It allows the function to accept a variable number of keyword arguments

It allows the function to accept a variable number of positional arguments

It defines the default arguments for a function

It defines the required arguments for a function


8.

What is the output of the following code?
def my_function(x):
return x ** 2
numbers = [1, 2, 3, 4]
result = map(my_function, numbers)
print(list(result))

[1, 4, 9, 16]

[2, 4, 6, 8]

[0, 1, 4, 9

Error


9.

What is the output of the following code?
def my_function(a, b, c=0, d=0):return a + b + c + d
result = my_function(1, 2, 3, 4)
print(result)

3

6

10

5


10.

What is the output of the following code?
def my_function(*args):return sum(args)
result = my_function(1, 2, 3, 4)
print(result)

1

4

10

3