POC Data Structures & File Handling

Question 1

Which of the following is a mutable data type in Python?

Accepted Answer

List

Answer

Tuple

Answer

String

Answer

Integer

Question 2

How do you add an item to a list in Python?

Accepted Answer

list.append(item)

Answer

list.add(item)

Answer

list.insert(item)

Answer

list.push(item)

Question 3

Which data structure uses key-value pairs?

Accepted Answer

Dictionary

Answer

List

Answer

Tuple

Answer

Set

Question 4

What is the correct way to open a file for reading?

Accepted Answer

open('file.txt')

Answer

open('file.txt', 'w')

Answer

open('file.txt', 'x')

Answer

open('file.txt', 'a')

Question 5

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

Accepted Answer

read()

Answer

readline()

Answer

readall()

Answer

fetch()

Question 6

What does the 'with' statement do when opening a file?

Accepted Answer

It closes the file automatically

Answer

It locks the file

Answer

It writes to the file automatically

Answer

It encrypts the file

Question 7

Which data structure allows only unique elements?

Accepted Answer

Set

Answer

List

Answer

Dictionary

Answer

Tuple

Question 8

How do you write to a file in Python?

Accepted Answer

write()

Answer

output()

Answer

put()

Answer

printfile()

Question 9

Which method removes all items from a list?

Accepted Answer

clear()

Answer

remove()

Answer

delete()

Answer

pop()