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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.

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Page 25 of 30 • Questions 241-250 of 300

Q241medium

Which library provides fast JSON parsing in CPython via C extension?

A)orjson

B)json

C)ujson

D)simplejson

Q242easy

What's the output?

a = [1,2,3]
print(a[::-1])

A)[3,2,1]

B)[1,2,3]

C)Error

D)None

Q243medium

Which of these is true about functools.lru_cache?

A)Caches function results by arguments

B)Can be bounded by maxsize

C)Supports cache clearing

D)All of the above

Q244easy

What's the output?

print({i:i for i in range(3)}.get(3, 'missing'))

A)missing

B)3

C)None

D)Error

Q245medium

Which of these helps run subprocesses safely with argument lists?

A)subprocess.run(['cmd','arg'])

B)os.system("cmd arg")

C)Using string and shell=True

D)eval()

Q246easy

What's the output?

print({1,2}.issuperset({1}))

A)True

B)False

C)Error

D)None

Q247medium

Which of these returns items until predicate false (iterator)?

A)itertools.takewhile

B)itertools.dropwhile

C)filterfalse

D)filter

Q248hard

What's the output?

print(type( (1).__add__ ))

A)<class 'builtin_function_or_method'>

B)<class 'function'>

C)Error

D)<class 'method'>

Q249medium

Which HTTP client provides async support in Python?

A)aiohttp

B)requests

C)urllib

D)httplib

Q250medium

What's the output?

print('a'.upper() is 'A')

A)False

B)True

C)Error

D)None

......

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