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Python Programming

Comprehensive Python programming questions covering fundamentals, data structures, and advanced concepts

300 questionsâ€¢30 pagesâ€¢~450 min

Use this quiz track to strengthen recall, speed, and exam-style decision making. Attempt one page first, review explanations, and then re-attempt incorrect questions without notes.

A good scoring strategy is to mark uncertain questions, finish known ones quickly, and return with elimination logic. This improves accuracy while keeping momentum under time constraints.

Progress: 0 / 3000%

Page 9 of 30 • Questions 81-90 of 300

Q81medium

What's the output?

print({1,2,3}.pop())

A)Guaranteed 1

B)Arbitrary element

C)Error

D)None

Q82medium

Which is correct to define abstract base class?

A)class A: pass

B)from abc import ABC, abstractmethod

C)class A(ABC): @abstractmethod

D)B and C together

Q83easy

What's printed?

print((lambda x: x+1)(2))

A)3

B)2

C)Error

D)None

Q84medium

Which is used for context manager implementation?

A)__enter__ and __exit__

B)__init__ only

C)__call__

D)__iter__

Q85medium

What's the output?

a = [1,2,3]
b = a
b += [4]
print(a)

A)[1,2,3]

B)[1,2,3,4]

C)Error

D)[4]

Q86hard

Which of these is thread-safe by default?

A)list.append

B)dict.update

C)queue.Queue

D)All built-ins thread-safe

Q87easy

What's printed?

x = [1,2,3]
print(x[-1])

A)1

B)3

C)Error

D)-1

Q88easy

Which function returns index and element in loop?

A)enumerate()

B)zip()

C)range()

D)iter()

Q89medium

What's output? print(type( (x for x in []) ))

A)list

B)generator

C)tuple

D)iterator

Q90easy

Which module for unit testing?

A)unittest

B)pytest

C)nose

D)All of the above

......

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