PYTHON Standard Library MCQs

Which module is used for mathematical functions?

a) math

b) random

c) statistics

d) os

View Answer

Correct answer: A — math

What will be printed?

1	python
2	import math
3	print(math.sqrt(16))

a) 4.0

b) 16

c) Error

d) None

View Answer

Correct answer: A — 4.0

Which module is used for generating random numbers?

a) random

b) math

c) os

d) sys

View Answer

Correct answer: A — random
What is the output of print(random.randint(1,3))?

a) 1,2 or 3

b) 1 only

c) Error

d) None

View Answer

Correct answer: A — 1,2 or 3
Which module is used for handling operating system tasks?

a) os

b) sys

c) subprocess

d) shutil

View Answer

Correct answer: A — os

What will be printed?

1	python
2	import os
3	print(os.name)

a) posix or nt

b) os

c) Error

d) None

View Answer

Correct answer: A — posix or nt

Which module is used for system specific parameters?

a) sys

b) os

c) platform

d) subprocess

View Answer

Correct answer: A — sys
What is the output of print(sys.version.split()[0])?

a) Python version number

b) sys

c) Error

d) None

View Answer

Correct answer: A — Python version number
Which module is used for date and time manipulation?

a) datetime

b) time

c) calendar

d) os

View Answer

Correct answer: A — datetime

What will be printed?

1	python
2	import datetime
3	print(datetime.date.today().year)

a) Current year

b) Current month

c) Error

d) None

View Answer

Correct answer: A — Current year

Which module is used for time related functions?

a) time

b) datetime

c) calendar

d) os

View Answer

Correct answer: A — time
What is the output of print(time.sleep(1))?

a) None

b) 1

c) Error

d) sleep

View Answer

Correct answer: A — None
Which module is used for calendar operations?

a) calendar

b) datetime

c) time

d) os

View Answer

Correct answer: A — calendar

What will be printed?

1	python
2	import calendar
3	print(calendar.isleap(2024))

a) True

b) False

c) Error

d) None

View Answer

Correct answer: A — True

Which module is used for collections like Counter?

a) collections

b) itertools

c) functools

d) array

View Answer

Correct answer: A — collections

What is the output of below code?

1	python
2	from collections import Counter
3	print(Counter("Eduinq"))

a) Counter({'E':1,'d':1,'u':1,'i':1,'n':1,'q':1})

b) Eduinq

c) Error

d) None

View Answer

Correct answer: A — Counter({'E':1,'d':1,'u':1,'i':1,'n':1,'q':1})

Which module is used for functional programming tools?

a) functools

b) itertools

c) collections

d) operator

View Answer

Correct answer: A — functools

What will be printed?

1	python
2	from functools import reduce
3	print(reduce(lambda x,y:x+y,[1,2,3]))

a) 6

b) 123

c) Error

d) None

View Answer

Correct answer: A — 6

Which module is used for iterator building blocks?

a) itertools

b) functools

c) collections

d) operator

View Answer

Correct answer: A — itertools
What is the output of print(list(itertools.permutations([1,2],2)))?

a) [(1,2),(2,1)]

b) [(1,2)]

c) Error

d) None

View Answer

Correct answer: A — [(1,2),(2,1)]
Which module is used for high performance array operations?

a) array

b) list

c) collections

d) numpy

View Answer

Correct answer: A — array

What will be printed?

1	python
2	import array
3	a = array.array('i',[1,2,3])
4	print(a[1])

a) 2

b) 1

c) 3

d) Error

View Answer

Correct answer: A — 2

Which module is used for file pattern matching?

a) glob

b) os

c) fnmatch

d) shutil

View Answer

Correct answer: A — glob
What is the output of print(glob.glob("*.py"))?

a) List of Python files

b) *.py

c) Error

d) None

View Answer

Correct answer: A — List of Python files
Which module is used for file operations like copy?

a) shutil

b) os

c) sys

d) subprocess

View Answer

Correct answer: A — shutil

What will be printed?

1	python
2	import shutil
3	print(hasattr(shutil,"copy"))

a) True

b) False

c) Error

d) None

View Answer

Correct answer: A — True

Which module is used for subprocess management?

a) subprocess

b) os

c) sys

d) shutil

View Answer

Correct answer: A — subprocess

What is the output of below code?

1	python
2	import subprocess
3	print(type(subprocess.run(["echo","Eduinq"])))

a) CompletedProcess

b) str

c) Error

d) None

View Answer

Correct answer: A — CompletedProcess

Which module is used for JSON operations?

a) json

b) pickle

c) marshal

d) csv

View Answer

Correct answer: A — json

What will be printed?

1	python
2	import json
3	print(json.dumps({"Eduinq":1}))

a) {"Eduinq":1}

b) Eduinq:1

c) Error

d) None

View Answer

Correct answer: A — {"Eduinq":1}

Which module is used for CSV operations?

a) csv

b) json

c) pickle

d) marshal

View Answer

Correct answer: A — csv

What is the output of below code?

1	python
2	import csv
3	print(hasattr(csv,"reader"))

a) True

b) False

c) Error

d) None

View Answer

Correct answer: A — True

Which module is used for XML parsing?

a) xml.etree.ElementTree

b) json

c) csv

d) marshal

View Answer

Correct answer: A — xml.etree.ElementTree

What will be printed?

1	python
2	import xml.etree.ElementTree as ET
3	root = ET.Element("Eduinq")
4	print(root.tag)

a) Eduinq

b) tag

c) Error

d) None

View Answer

Correct answer: A — Eduinq

Which module is used for serialization?

a) pickle

b) json

c) csv

d) marshal

View Answer

Correct answer: A — pickle

What is the output of below code?

1	python
2	import pickle
3	print(hasattr(pickle,"dump"))

a) True

b) False

c) Error

d) None

View Answer

Correct answer: A — True

Which module is used for compression?

a) zlib

b) gzip

c) bz2

d) All of the above

View Answer

Correct answer: D — All of the above

What will be printed?

1	python
2	import gzip
3	print(hasattr(gzip,"open"))

a) True

b) False

c) Error

d) None

View Answer

Correct answer: A — True

Which module is used for hashing?

a) hashlib

b) hmac

c) crypt

d) os

View Answer

Correct answer: A — hashlib

What is the output of below code?

1	python
2	import hashlib
3	print(hashlib.md5(b"Eduinq").hexdigest())

a) MD5 hash string

b) Eduinq

c) Error

d) None

View Answer

Correct answer: A — MD5 hash string

Which module is used for regular expressions?

a) re

b) regex

c) regexp

d) None

View Answer

Correct answer: A — re

What will be printed?

1	python
2	import re
3	print(re.search("Edu","Eduinq").group())

a) Edu

b) Eduinq

c) Error

d) None

View Answer

Correct answer: A — Edu

Which module is used for decimal arithmetic?

a) decimal

b) fractions

c) math

d) statistics

View Answer

Correct answer: A — decimal

What is the output of below code?

1	python
2	from decimal import Decimal
3	print(Decimal('0.1')+Decimal('0.2'))

a) 0.3

b) 0.30000000000000004

c) Error

d) None

View Answer

Correct answer: A — 0.3

Which module is used for fractions?

a) fractions

b) decimal

c) math

d) statistics

View Answer

Correct answer: A — fractions

What will be printed?

1	python
2	from fractions import Fraction
3	print(Fraction(1,3)+Fraction(1,6))

a) 1/2

b) 2/3

c) Error

d) None

View Answer

Correct answer: A — 1/2

Which module is used for statistics?

a) statistics

b) math

c) decimal

d) fractions

View Answer

Correct answer: A — statistics

What is the output of below code?

1	python
2	import statistics
3	print(statistics.mean([1,2,3]))

a) 2

b) 1

c) 3

d) Error

View Answer

Correct answer: A — 2

Which module is used for random sampling?

a) random

b) statistics

c) math

d) os

View Answer

Correct answer: A — random

What will be printed?

1	python
2	import random
3	print(random.sample([1,2,3,4],2))

a) Any 2 random elements

b) [1,2]

c) Error

d) None

View Answer

Correct answer: A — Any 2 random elements

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