Python MCQ and Answers – Part 16

This collection of Python Multiple Choice Questions and Answers (MCQs): Quizzes & Practice Tests with Answer.
 

1. When will the “else” block of “try-except-else” be executed?

A Always

B When an exception is thrown

C When an exception is thrown in the “except” block

D When no exception is thrown

try:
    print(1 / 1)
except ZeroDivisionError as error:
    print(error)
else:
    print('Executing the else clause.')

1.0
Executing the else clause.

2. What is the output of the following code?

def f(i, l = []):
    l.append(i)
    return l
 
f(1)
f(2)
x = f(3)
print(x)

A 1 2 3

B [1, 2, 3]

C [1] [1, 2] [1, 2, 3]

D [1] [2] [3]  
 
Answer

3. What is the output of the following code?

x = {1:1, 2:4, 3:9}  

print(x.pop(2))  
print(x)

A 16 {1: 1, 3: 9}

B 4 {1: 1, 2:4}

C 4
       {1: 1, 3: 9}

D 16 {1: 1, 2:4}

4. How to create an iterator object from a list?

A By giving the list to the iter() function.

B Using a for loop.

C Using a while loop.

D You cannot create an iterable object from a list.

x = iter(list(range(10)))
for i in x:
   print(i)
   next(x)

0
2
4
6
8

5. What is the output of the following code?

def f(x):
    yield x+1
    print("msg")
    yield x+1
h=f(4)

A msg

B msg2

C Error

D The code does not display anything

6. What is the output of the following code?

list1 = ['Alex', 'Bob', 'Jean']
 
if 'alex' in list1:
    print(1)
else:
    print(2)

A 1

B 2

C Error

D None

7. What is the output of the following code os.listdir()?

A Displays the current working directory.

B Displays all directories within a given directory.

C Displays all directories and files in a given directory.

D Create a new directory.

8. Which of the following statements is correct?

A An exception is an error that occurs during execution.

B A syntax error is also an exception.

C An exception is used to exclude a block of code in Python.

D All the answers are true

9. For which the “in” operator can be used to check if an element is present there?

A List

B Dictionary

C Set

D All the answers are true

10. What is the output of the following code?

l1 = [1, 2, 3]
l2 = [4, 5, 6]
 
print(len(l1 + l2))

A 3

B 6

C 1

D Error

MCQPractice competitive and technical Multiple Choice Questions and Answers (MCQs) with simple and logical explanations to prepare for tests and interviews.Read More