Programming MCQs with Answers | C, C++, Java, PHP – Page 11

Question 201 Python

Which exception does Python raise when the body of an if statement is not indented?

Correct answer D. IndentationError

Question 202 Python

What does it mean to say that Python is dynamically typed?

Correct answer B. Types belong to objects and are checked at runtime, so a name can be rebound to a value of a different type

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Question 203 Python

Which of these built-in Python types is immutable?

Correct answer A. tuple

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Question 204 Python

What happens in Python 3 when an int calculation produces a value larger than 2**63?

Correct answer B. The int grows automatically, because integers have unlimited precision

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Question 205 Python

What happens when int(“3.5”) is evaluated in Python?

Correct answer A. A ValueError is raised

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Question 206 Python

How does str.find() differ from str.index() when the substring is not present?

Correct answer D. find() returns -1, while index() raises ValueError

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Question 207 Python

In which Python version were f-strings (formatted string literals) introduced?

Correct answer A. Python 3.6

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Question 208 Python

Why can a tuple of numbers be used as a dictionary key, but a list cannot?

Correct answer A. Dictionary keys must be hashable, and lists are mutable and unhashable

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Question 209 Python

From which Python version is preservation of dictionary insertion order a guaranteed language feature?

Correct answer C. Python 3.7

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Question 210 Python

Which expression creates an empty set in Python?

Correct answer B. set()

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Question 211 Python

Which of these expressions creates a generator object rather than a list?

Correct answer A. (x * 2 for x in range(5))

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Question 212 Python

Which list method removes the first item equal to a given value?

Correct answer A. remove()

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Question 213 Python

In which Python version was the match statement for structural pattern matching introduced?

Correct answer B. Python 3.10

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Question 214 Python

In a Python match statement, which pattern acts as a wildcard that matches any value?

Correct answer D. case _:

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Question 215 Python

What does the pass statement do in Python?

Correct answer D. Nothing; it is a placeholder where a statement is syntactically required

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Question 216 Python

When does the else block of a Python while loop execute?

Correct answer D. When the loop condition becomes false without a break being executed

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Question 217 Python

What is the recommended way to give a function parameter a fresh empty list as its default on every call?

Correct answer D. Use items=None and create the list inside the function when items is None

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Question 218 Python

What does a Python function return if it finishes without executing a return statement?

Correct answer D. None

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Question 219 Python

In what order does Python search scopes when resolving a name (the LEGB rule)?

Correct answer B. Local, Enclosing, Global, Built-in

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Question 220 Python

What is the purpose of the nonlocal statement in a nested function?

Correct answer B. It lets the inner function rebind a variable in the nearest enclosing function scope

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