Python Quiz

261. What is the output of:

print(type(lambda x: x))

<class 'function'>

<class 'lambda'>

<class 'method'>

<class 'object'>

262. What does the `strip()` method do to a string?

Removes whitespace from both ends

Removes characters from the middle

Replaces spaces with underscores

Splits the string

263. Which function would you use to read the entire contents of a file into a string?

file.readall()

file.read()

file.readlines()

file.load()

264. What is the result of:

all([True, 1, 'a'])

True

False

Error

None

265. What is the output of:

print({x: x**2 for x in range(3) if x % 2 == 1})

{0: 0, 1: 1, 2: 4}

{1: 1}

{2: 4}

{}

266. What will this return?

'def' in {'abc', 'def', 'ghi'}

True

False

Error

'def'

267. Which method is used to check if a string starts with a certain substring?

startwith()

startswith()

isstart()

starts()

268. What does this code print?

print(list(range(5, 0, -2)))

[5, 4, 3, 2, 1]

[5, 3, 1]

[5, 2]

[5, 0]

269. Which of these is a valid way to merge two sets `a` and `b`?

a.merge(b)

a + b

a | b

a & b

270. What is the correct way to define a default value in a function parameter?

def func(a, b=2):

def func(a=2, b):

def func(a: int = 2):

Both A and C