Essential Python MCQs with Answers for Aspiring Developers

Mastering Python is crucial for anyone looking to excel in programming and software development. One effective way to prepare for Python interviews is by practicing multiple-choice questions (MCQs).

Python is a widely-known programming language and a prerequisite for many careers like Data Engineering, software development, machine learning, and so on.

The list of Python MCQs ranges from beginner to intermediate level. Entry-level software developers, internship candidates, fresh graduates, career switchers, or just enthusiasts can assess themselves through these MCQs.

These Python MCQs provide a good foundation for your back-end engineering preparation. They include concepts including data types, basic syntax, and output, external libraries (NumPy, Pandas, Matlotib), list indexing, indentation, and dictionary methods.

So, let’s just dive straight into these questions to check your knowledge.

Python Interview Questions with Answers

Let us begin with Python MCQs to evaluate where you stand in learning to focus on the weak parts and get yourself prepared more efficiently.

Q1. _______is the maximum length of the Python identifier.

1. No fixed length is determined
2. 32
3. 16
4. 128

Answer: a. No fixed length is determined

Q2. What will be the data type of the var in the code?

1. int and str
2. int and int
3. str and str
4. str and int

Answer: d. str and int

Q3. Popular external libraries in Python include ______.

1. NumPy
2. Pandas
3. Matplotlib
4. All of the above

Answer: d. All of the above

Q4. Choose the right output of the given code

1. Error
2. 30
3. 10
4. 0

Answer: b. 30

Q5. Who specializes in Python programming is called ______.

1. Pythonic
2. Pythian
3. Pythaniasts
4. No specialized name is determined

Answer: c. Pythaniasts

Q6. Which of the following programming languages was Python written in?

1. Python
2. C
3. Java
4. JavaScript

Answer: b. C

Q7. Which of the following is used to determine a block of code in Python?

1. Curly braces {}
2. Indentation
3. Parenthesis ()
4. Square brackets []

Answer: b. Indentation

Q8. ________ will be the output for the following code snippet.

1. 31 13
2. 13 13
3. 31 31
4. 13 31

Answer: a. 31 13

Q9. Choose the correct output for the following code snippet.

1. 2 1
2. 0
3. Infinite
4. Syntax error

Answer: d. Syntax error

Q10. tuples, rage, and list are considered as which of the following Data Types?

1. Boolean Types
2. Binary Types
3. Sequence Types
4. None of the above

Answer: c. Sequence Types

Q11. ________ is the step-by-step instructions for solving problems.

1. Module
2. Flowchart
3. Sequence
4. Algorithm

Answer: d. Algorithm

Q12. ______ is the output for the following code snippet.

1. Error
2. 5
3. 10
4. 0

Answer: c. 10

Q13. The main purpose of Python programming is to

1. Organize code into manageable units and promote code reuse
2. Execute a block of code consistently
3. Determine conditional statements
4. To execute mathematical operations

Answer: a. Organize code into manageable units and promote code reuse

Q14. Choose the correct output for the following code snippet.

1. Alice
2. Hello, name!
3. Hello, Alice!
4. None of the above

Answer: c. Hello, Alice!

Q15. Choose the correct command used to create a list in Python programming.

1. list1=[]
2. list1=list([1,2,3])
3. list1=list()
4. All of the above

Answer: d. All of the above

Q16. If list1 is [2, 33, 333, 14, 25]. What will be the list1[-1]?

1. 2
2. 25
3. Error
4. None of the above

Answer: b. 25

Q17. Python does not natively support ______ data type.

1. Dictionaries
2. Lists
3. Tules
4. Arrays

Answer: d. Arrays

Q18. ________ is not a keyword used in the Python programming language.

1. Pass
2. Eval
3. Assert
4. Nonlocal

Answer: b. Eval

Q19. _______ keyword is used to define a function in Python programming.

1. call
2. def
3. function
4. int

Answer: b. def

Q20. What will be the output of bool(‘False’)?

1. True
2. False
3. Error
4. None of the above

Answer: a. True

Q21. ______object is not a valid declaration for a dictionary.

1. dict={[1,2]:10}
2. dict={1:20}
3. dict={10:1}
4. dict={(1,2):10}

Answer: a. dict={[1,2]:10}

Q22. Choose the right output for the following code snippet.

1. a+b
2. add
3. Syntax error
4. This function adds two numbers.

Answer: d. This function adds two numbers.

Q23. Which of the following versions of Python were removed from the print statement?

1. Python 3.x
2. Python 2.x
3. Python 1.x
4. Python 4.x

Answer: a. Python 3.x

Q24. Choose the correct pickling function in Python.

1. Conversion of a Python object
2. Modification of byte stream into Python object hierarchy
3. Transformation of lists into a database
4.  Relocation of objects into databases

Answer: a. Conversion of a Python object

Q25. Django is used for

1. Web development
2. Arrays and numerical computations
3. Generating visualizations
4. All of the above

Answer: a. Web development

Q26. Choose the correct output for the following code snippet.

1. Before function execution

Hola!

After function execution

2. Hola!

Before function execution

After function execution

3. Hola!
4. Syntax error

Answer: a. Before function execution

       Hola!

       After function execution

Q27. From the following evaluations, choose the correct answer for this function: pow(x,y,z).

1. (x**y)/z
2. (x/y*z)
3. (x/y)/z
4. (x**y)%z

Answer: d. (x**y)%z

Q28. The following code snippet gives output ______.

1. 13
2. 21
3. 17
4. 8

Answer: a. 13

Q29. Which of the following is the correct output of the given code snippet?

1. Syntax error
2. Value error
3. Java
4. Blank output

Answer: d. Blank output

Q30. ________ data type will be used to store a whole number in Python programming.

1. int
2. str
3. bool
4. float

Answer: a. int

Q31. The items() method of the dictionary returns ________.

1. List of tuples
2. List of objects
3. Repetition of values
4. List of lists

Answer: a. List of tuples

Q32. Choose the correct output for the given code.

1. 1 2 3 4 5 6
2. 1 2 3 4 5 6 7 8
3. Syntax error
4. Blank outcome

Answer: b. 1 2 3 4 5 6 7 8

Q33. Choose the correct output for the following code snippet.

1. 5
2. 120
3. 10
4. Syntax error

Answer: b. 120

Q34. Is Python case-sensitive when dealing with identifiers?

1. Can’t say
2. No
3. Yes
4. Machine dependent

Answer: c. Yes

Q35. In Sklearn, how would you import a decision tree classifier?

1. from sklearn.ensemble import DecisionTreeClassifier
2. from sklearn.tree import DecisionTreeClassifier
3. from sklearn.decision_tree import DecisionTreeClassifier
4. None of the above

Answer: b. from sklearn.tree import DecisionTreeClassifier

Nail Your Next Python Programming Interview with IK!

So, these were some of the entry-level to intermediate-level Python questions for aspiring back-end developers. You can further enhance your skills and knowledge with the help of our Back-End Engineering Interview Masterclass. The program is designed to help you learn more advanced concepts and tackle challenging questions, guided by our experienced FAANG instructors.

Dive deeper into Python and back-end engineering to achieve your professional goals with our expert-led training.

FAQs: Python MCQs Questions

Is Python good for beginners?
Python is simple and versatile, which makes it an ideal choice for beginners. If you are dedicated enough, you can learn Python basic programming within a few weeks.

Is Java or Python easier?
Java and Python are both popular programming languages. However, Python is simpler and easier to learn in comparison to Java.

Why is C faster than Python?
C language is faster than the Python programming language because C is compiled, whereas Python is interpreted.

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