Python Quiz

271. What will this output?

x = {'a': 1, 'b': 2}
print(x.get('c', 3))

None

KeyError

3

0

272. What is the output of:

print(bool(''))

True

False

None

Error

273. Which of the following will remove a key from a dictionary?

del dict[key]

dict.remove(key)

dict.pop(key)

Both A and C

274. What does the `enumerate()` function return?

Only index

Only value

Tuple of index and value

Key-value pairs

275. What is the output of:

print([1, 2] * 2)

[2, 4]

[1, 2, 1, 2]

[1, 2, 2]

[1, 1, 2, 2]

276. Which of the following is used to define a block of code in Python?

Braces {}

Parentheses ()

Indentation

Colon

277. Which method is used to return the number of items in a dictionary?

len()

count()

size()

length()

278. What will be the output of:

x = 5
def foo():
    x = 10
foo()
print(x)

5

10

Error

None

279. Which of the following is used to define a class method?

@staticmethod

@classmethod

@function

None of the above

280. Which Python module is used for regular expressions?

regex

re

string

search