Interview Questions

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“Elevate your programming skills with our Python Programming Practice Sets. Whether you’re a novice looking to start your coding journey or an experienced developer aiming to enhance your Python expertise, our practice sets are your stepping stone. Dive into a diverse range of Python challenges and exercises meticulously crafted to sharpen your coding prowess. With our comprehensive resources, you can build a strong Python foundation, tackle intricate programming concepts, and prepare yourself for coding interviews and real-world software development. Supercharge your Python skills and unlock a world of opportunities in the realm of programming.”

PYTHON-PROGRAMMING PRACTICE SET 1

Python Programing Practice Set 1

1 / 25

How do you convert a string to uppercase in Python?

str.to_upper()

str.upper()

str.uppercase()

str.capital()

2 / 25

Which of the following is a valid Python list?

[1, 2, "three", 4.0]

[1, 2, {3, 4}, 5]

[1, 2, [3, 4], 5]

(1, 2, 3, 4)

3 / 25

What is the result of the expression 2 + 3 * 4 – 1?

4 / 25

In Python, how do you import a module named “math”?

use math

math import

import math

include math

5 / 25

Which method is used to add an element at the end of a list in Python?

add()

append()

insert()

extend()

6 / 25

What is the correct way to open a file named “data.txt” in Python?

open("data.txt")

open_file("data.txt")

file_open("data.txt")

open("data.txt", "r")

7 / 25

How do you check if a value is present in a list named “my_list”?

contains(value, my_list)

value in my_list

my_list.contains(value)

in(value, my_list)

8 / 25

Which function is used to print the keys of a dictionary in Python?

dict.keys()

dict.print_keys()

dict.key()

dict.get_keys()

9 / 25

How do you convert a string to lowercase in Python?

str.lower()

str.to_lower()

str.casefold()

str.lowercase()

10 / 25

In Python, which loop is used for definite iteration?

for loop

while loop

repeat loop

do-while loop

11 / 25

What will be the output of the following code?

x = 5

y = 2

print(x / y)

12 / 25

Which of the following data types is mutable in Python?

int

float

tuple

list

13 / 25

Which method is used to remove the last element from a list in Python?

remove()

pop()

delete()

del()

14 / 25

What is the output of the following code?

Hello2

TypeError: can only concatenate str (not "int") to str

Hello

15 / 25

Which operator is used for exponentiation in Python?

pow

16 / 25

What is the correct way to write a comment in Python?

// This is a comment

/* This is a comment */

# This is a comment

<!– This is a comment –>

17 / 25

How do you check the type of a variable in Python?

typeof(variable)

vartype(variable)

type(variable)

variable.type()

18 / 25

Which function is used to read user input in Python?

read()

input()

get_input()

user_input()

19 / 25

What is the result of the expression 4 % 3?

20 / 25

Which Python library is used for data visualization?

pandas

seaborn

matplotlib

numpy

21 / 25

How do you check the number of elements in a list named “my_list”?

count(my_list)

size(my_list)

length(my_list)

len(my_list)

22 / 25

What will be the output of the following code?

Error

23 / 25

In Python, which keyword is used to create a function?

func

def

define

function

24 / 25

What is the output of the following code?

print(3 + 7 * 2)

25 / 25

What is the correct way to define a variable in Python?

variable_name = value

value = variable_name

value = variableName

variableName = value

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PYTHON-PROGRAMMING PRACTICE SET 2

PYTHON PROGRAMMING SET 2

PYTHON PRACTICE TEST OOPS

1 / 30

What is the purpose of a “for” loop in Python?

To create a new variable

To execute a block of code repeatedly

To define a function

To perform mathematical operations

2 / 30

Which loop is used when you want to execute a block of code at least once?

for loop

while loop

do-while loop

if statement

3 / 30

What is the output of the following code?

for i in range(5):

print(i, end=” “)

0 1 2 3 4

1 2 3 4 5

0 1 2 3

1 2 3 4

4 / 30

How do you terminate a loop prematurely in Python?

End keyword

Stop keyword

Break keyword

Terminate keyword

5 / 30

Which loop is ideal when you don’t know the number of iterations beforehand?

for loop

while loop

do-while loop

repeat loop

6 / 30

Which of the following is the correct way to create a multiline string in Python?

"Hello, World!"

'Hello, World!'

"""Hello, World!"""

''Hello, World!'''

7 / 30

What is the result of `"Python" + 3`?

TypeError

"Python3"

"Python333"

"Python + 3"

8 / 30

Which method is used to convert a string to uppercase?

upper()

to_upper()

uppercase()

case_upper()

9 / 30

What does the method `strip()` do on a string?

Removes all whitespace characters from the beginning and end

Converts the string to uppercase

Splits the string into a list

Removes a specific character from the string

10 / 30

Which method is used to find the index of a substring within a string?

index()

find()

search()

locate()

11 / 30

Which data structure is mutable and allows duplicate values?

List

Tuple

Dictionary

Set

12 / 30

What is the correct syntax to access the second element in a list named `my_list`?

my_list(2)

my_list[1]

my_list{1}

my_list.2

13 / 30

How do you add a key-value pair to a dictionary?

dictionary.add(key, value)

dictionary[key] = value

dictionary.insert(key, value)

dictionary.append(key, value)

14 / 30

Which of the following is an immutable data structure in Python?

List

Tuple

Dictionary

Set

15 / 30

What is the output of `len((1, 'two', 3.0))`?

16 / 30

How do you open a file named “data.txt” in read mode?

open("data.txt", "read")

open("data.txt", "w")

open("data.txt", "r")

open("data.txt", "write")

17 / 30

What is the purpose of the `with` statement when working with files?

It creates a new file

It opens the file in write mode

It ensures that the file is properly closed after usage

It renames the file

18 / 30

Which method is used to read the entire contents of a file?

read()

read_all()

read_full()

read_file()

19 / 30

How do you write the string “Hello, World!” to a file named “output.txt”?

write("Hello, World!")

write_to("Hello, World!", "output.txt")

file.write("Hello, World!")

open("output.txt", "w").write("Hello, World!")

20 / 30

Which of the following modes opens a file for both reading and writing?

"r"

"w"

"a"

"r+"

21 / 30

What is the primary goal of object-oriented programming (OOP)?

To write concise code

To improve runtime efficiency

To organize code into reusable and structured units

To eliminate the need for loops

22 / 30

Which term refers to creating an instance of a class?

Object creation

Class instantiation

Instance initiation

Class generation

23 / 30

What is encapsulation in OOP?

The process of creating new instances

The process of hiding implementation details and exposing only necessary features

The process of converting objects into classes

The process of defining methods within a class

24 / 30

Find output of the code?

x = 10 y = 5

result = (x + y) * 2

print(result)

25 / 30

Find output of the code?

numbers = [1, 2, 3, 4, 5]

squared_numbers = [num ** 2 for num in numbers]

print(squared_numbers)

[1, 4, 9, 16, 25]

[1, 3, 6, 10, 15]

[2, 4, 6, 8, 10]

[0, 1, 4, 9, 16]

26 / 30

Find output of the code?

text = “Hello, World!”

print(text[7:12])

"World"

"Hello"

"Worl"

"llo, "

27 / 30

Find Output of the code?

my_dict = {“a”: 1, “b”: 2, “c”: 3}

result = “x” in my_dict

print(result)

True

False

Error

None

28 / 30

Find output of the code?

def

add_numbers(a, b):

return a + b

result = add_numbers(3, 7)

print(result)

"37"

Error

29 / 30

Find output of the code?

numbers = [1, 2, 3, 4, 5]

sum = 0

for num in numbers:

sum += num

print(sum)

30 / 30

Find output of the code?

my_list = [1, 2, 3, 4, 5]
new_list = my_list[1:4]
print(new_list)

[2, 3, 4]

[1, 2, 3]

[3, 4, 5]

[1, 2, 3, 4]

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PYTHON-PROGRAMMING PRACTICE SET 3

Python Programming Set 3

Practice Your Python Skills

1 / 25

In Python, how do you access a class variable outside the class?

Using the self keyword

Using the class name followed by a dot (e.g., ClassName.variable)

Class variables cannot be accessed outside the class

Using the super keyword

2 / 25

What is the purpose of the “str” method in Python classes?

To convert an object to a string representation

To create a new object

To access instance variables

To define class methods

3 / 25

Which keyword is used to create a class method in Python?

classmethod

method

staticmethod

classmethod

4 / 25

What is the purpose of the “with” statement in Python file handling?

To open a file for writing

To automatically close the file when done

To read a file in binary mode

To create a new file

5 / 25

Which method is used to write data to a file in Python?

append()

write()

add()

insert()

6 / 25

What is the purpose of the “tell()” method in Python file handling?

To check if a file exists

To return the current file pointer position

To move to the beginning of a file

To read the entire file at once

7 / 25

In Python, what happens if you open a file in “a” (append) mode for a file that does not exist?

An error is raised.

A new file is created.

The file is opened in read-only mode.

The program crashes.

8 / 25

What is the purpose of the “readlines()” method in Python file handling?

To read a single line from a file

To read all lines from a file into a list

To write multiple lines to a file

To move the file pointer to the end of the file

9 / 25

Which mode should you use to open a file in Python if you want to append data to it without overwriting the existing content?

"r"

"w"

"a"

"x"

10 / 25

What is the purpose of the “truncate()” method in Python file handling?

To create a backup of a file

To remove all content from a file

To append data to a file

To check if a file exists

11 / 25

How do you remove a file from the file system using Python?

file.remove("myfile.txt")

delete("myfile.txt")

os.remove("myfile.txt")

remove("myfile.txt")

12 / 25

What is the purpose of the “writelines()” method in Python file handling?

To write a list of strings to a file

To read a list of strings from a file

To close a file

To create a new file

13 / 25

Which method is used to read a single line from a text file in Python?

read()

readline()

readlines()

open()

14 / 25

What is the purpose of the “seek()” method in Python file handling?

To check if a file exists

To return the current file pointer position

To move the file pointer to a specific location in the file

To close the file

15 / 25

Which mode should you use to open a file for both reading and writing in Python?

"r"

"w"

"a"

"r+"

16 / 25

How do you open a file in Python for writing and create it if it does not exist?

file = open("myfile.txt", "w")

file = open("myfile.txt", "r")

file = open("myfile.txt", "a")

file = open("myfile.txt", "x")

17 / 25

What is the purpose of the “self” parameter in Python class methods?

It is required for defining a class.

It refers to the current instance of the class.

It is used for creating a subclass.

It is used to call a superclass constructor.

18 / 25

In Python, can you create an instance of an abstract class?

Yes, always

Yes, if it has a constructor

No, abstract classes cannot have instances

No, abstract classes are not allowed in Python

19 / 25

Which keyword is used to create an abstract class in Python?

abstract

abstractclass

abstract_class

@abstractmethod

20 / 25

Which of the following is NOT a valid access modifier in Python?

public

private

protected

internal

21 / 25

What is the primary purpose of the “super()” function in Python?

To create an instance of a class

To access class variables

To call a superclass constructor or method

To define a subclass

22 / 25

In Python, what is the syntax for creating a subclass that inherits from a superclass?

class SubClass extends SuperClass:

class SubClass(SuperClass):

subclass = super(subclass, superclass)

super(subclass, superclass)

23 / 25

What is the purpose of the “init” method in a Python class?

To create a new instance of the class

To define class variables

To define class methods

To initialize instance variables

24 / 25

In Python, what is a constructor method called?

init()

constructor()

create()

initialize()

25 / 25

What is the term used to describe the ability of a class to have multiple methods with the same name but different parameters?

Inheritance

Polymorphism

Encapsulation

Abstraction

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Interview Questions

PYTHON-PROGRAMMING PRACTICE SET 1

PYTHON-PROGRAMMING PRACTICE SET 2

What is the purpose of a “for” loop in Python?

Which loop is used when you want to execute a block of code at least once?

What is the output of the following code?

How do you terminate a loop prematurely in Python?

Which loop is ideal when you don’t know the number of iterations beforehand?

Which of the following is the correct way to create a multiline string in Python?

What is the result of "Python" + 3?

Which method is used to convert a string to uppercase?

What does the method strip() do on a string?

Which method is used to find the index of a substring within a string?

Which data structure is mutable and allows duplicate values?

What is the correct syntax to access the second element in a list named my_list?

How do you add a key-value pair to a dictionary?

Which of the following is an immutable data structure in Python?

What is the output of len((1, 'two', 3.0))?

What is the purpose of the with statement when working with files?

Which method is used to read the entire contents of a file?

How do you write the string “Hello, World!” to a file named “output.txt”?

Which of the following modes opens a file for both reading and writing?

What is the primary goal of object-oriented programming (OOP)?

Which term refers to creating an instance of a class?

What is encapsulation in OOP?

Find output of the code?

x = 10 y = 5

result = (x + y) * 2

print(result)

Find output of the code?

numbers = [1, 2, 3, 4, 5]

squared_numbers = [num ** 2 for num in numbers]

print(squared_numbers)

Find output of the code?

text = “Hello, World!”

print(text[7:12])

Find Output of the code?

my_dict = {“a”: 1, “b”: 2, “c”: 3}

result = “x” in my_dict

print(result)

Find output of the code?

def

add_numbers(a, b):

return a + b

result = add_numbers(3, 7)

print(result)

Find output of the code?

numbers = [1, 2, 3, 4, 5]

sum = 0

for num in numbers:

sum += num

print(sum)

Find output of the code?

my_list = [1, 2, 3, 4, 5] new_list = my_list[1:4] print(new_list)

PYTHON-PROGRAMMING PRACTICE SET 3

In Python, how do you access a class variable outside the class?

What is the purpose of the “str” method in Python classes?

Which keyword is used to create a class method in Python?

What is the purpose of the “with” statement in Python file handling?

Which method is used to write data to a file in Python?

What is the purpose of the “tell()” method in Python file handling?

In Python, what happens if you open a file in “a” (append) mode for a file that does not exist?

What is the purpose of the “readlines()” method in Python file handling?

Which mode should you use to open a file in Python if you want to append data to it without overwriting the existing content?

What is the purpose of the “truncate()” method in Python file handling?

How do you remove a file from the file system using Python?

What is the purpose of the “writelines()” method in Python file handling?

Which method is used to read a single line from a text file in Python?

What is the purpose of the “seek()” method in Python file handling?

Which mode should you use to open a file for both reading and writing in Python?

How do you open a file in Python for writing and create it if it does not exist?

What is the purpose of the “self” parameter in Python class methods?

In Python, can you create an instance of an abstract class?

Which keyword is used to create an abstract class in Python?

Which of the following is NOT a valid access modifier in Python?

What is the primary purpose of the “super()” function in Python?

In Python, what is the syntax for creating a subclass that inherits from a superclass?

What is the purpose of the “init” method in a Python class?

In Python, what is a constructor method called?

What is the term used to describe the ability of a class to have multiple methods with the same name but different parameters?

What is the result of `"Python" + 3`?

What does the method `strip()` do on a string?

What is the correct syntax to access the second element in a list named `my_list`?

What is the output of `len((1, 'two', 3.0))`?

What is the purpose of the `with` statement when working with files?

my_list = [1, 2, 3, 4, 5]
new_list = my_list[1:4]
print(new_list)

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