Python Quiz

211. What is the output of the following code?

x = [1, 2, 3]
y = x
x.append(4)
print(y)

[1, 2, 3]

[1, 2, 3, 4]

[4]

Error

212. Which of these operations will NOT create a shallow copy of a list `a`?

a[:]

list(a)

a.copy()

copy.deepcopy(a)

213. What is the output of:

print(bool(0), bool([]), bool(None))

True True True

False True False

False False False

True False True

214. Which built-in module can be used to serialize Python objects?

json

os

sys

re

215. What is the output of:

print([i**2 for i in range(3)])

[1, 2, 3]

[1, 4, 9]

[0, 1, 4]

[0, 1, 2]

216. What is the purpose of the `with` statement in Python?

To define a loop

To handle exceptions

To simplify file handling and ensure proper resource management

To define a function

217. Which of these will raise a `TypeError`?

'2' + '3'

int('3') + 1

3 + None

str(3) + '4'

218. What is the output of:

def func(a, b=2, c=3):
    return a + b + c

print(func(1, c=10))

6

13

3

Error

219. Which of the following statements is true about Python sets?

Sets allow duplicate values

Sets are ordered

Sets are mutable and do not allow duplicates

Sets can have keys and values

220. What does the `finally` block do in exception handling?

Executes only if an exception is raised

Executes only if no exception is raised

Executes regardless of whether an exception is raised or not

Skips execution when an exception is raised