Python MCQ questions with answers

Practice Python MCQ questions with answers on syntax, functions, OOP, exceptions, and runtime concepts.

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Python MCQ questions with answers

Python is commonly described as:

Dynamic typing in Python means:

Which statement about Python execution is most accurate?

Which type is immutable in Python?

Which type is best suited for storing unique values only?

A Python dictionary stores data as:

In Python, `==` checks:

In Python, `is` is mainly used to compare:

Which of the following is mutable?

A shallow copy of a nested list mainly means:

Why is a mutable default argument risky in Python?

What is the usual safe default when you want an optional list parameter?

In Python, `*args` collects extra positional arguments into a:

In Python, `**kwargs` collects extra keyword arguments into a:

A lambda function in Python is best described as:

Which construct is most directly used to create a list in a compact loop-like form?

Which statement correctly compares an iterable and an iterator?

A generator in Python is useful mainly because it:

Which keyword is used to make a function behave as a generator?

Which statement best describes Python argument passing?

A decorator in Python is mainly used to:

When we say functions are first-class objects in Python, we mean they can:

Which keyword is used inside a nested function to modify a variable from the nearest enclosing function scope?

Which statement about `global` is correct?

In an instance method, `self` refers to:

What is the main purpose of `__init__()`?

Which method type receives `cls` as its first automatic argument?

Which method type receives neither `self` nor `cls` automatically?

Inheritance in Python allows a class to:

Method overriding happens when:

Python supports multiple inheritance, which means:

MRO in Python stands for:

Why is `super()` commonly used?

Duck typing in Python emphasizes:

In Python, a single leading underscore in an attribute name usually means:

Abstraction in Python is mainly about:

Which keywords are directly associated with Python exception handling?

`raise` in Python is used to:

Why is `assert` not a full replacement for `raise` in production logic?

A context manager is commonly used with:

Why is the `with` statement preferred for file handling?

The GIL in CPython mainly affects:

For CPU-bound work in CPython, which approach is often preferred over threading?

Which statement best compares threads and processes in Python?

Python memory management in CPython mainly relies on:

Reference counting means an object can usually be cleaned up when:

A module in Python is usually:

Why do we use `if __name__ == "__main__"`?

Unpacking in Python is used to:

Which expression is an example of slicing?

A dataclass in Python is most useful when:

What does `@property` mainly help you do?

If `nums = [1, 2]`, what does `nums.append([3, 4])` do?

Which statement correctly compares `append()` and `extend()`?

Which statement about `sort()` and `sorted()` is correct?

`__repr__()` is mainly intended for:

A closure in Python is:

Compared with a list comprehension, a generator expression usually:

EAFP in Python means:

LBYL in Python means:

Python MCQ questions with answers

Python is commonly described as:

Dynamic typing in Python means:

Which statement about Python execution is most accurate?

Which type is immutable in Python?

Which type is best suited for storing unique values only?

A Python dictionary stores data as:

In Python, `==` checks:

In Python, `is` is mainly used to compare:

Which of the following is mutable?

A shallow copy of a nested list mainly means:

Why is a mutable default argument risky in Python?

What is the usual safe default when you want an optional list parameter?

In Python, `*args` collects extra positional arguments into a:

In Python, `**kwargs` collects extra keyword arguments into a:

A lambda function in Python is best described as:

Which construct is most directly used to create a list in a compact loop-like form?

Which statement correctly compares an iterable and an iterator?

A generator in Python is useful mainly because it:

What is the main purpose of `init()`?

Why do we use `if name == "main"`?

`repr()` is mainly intended for:

What is the main purpose of `init()`?

Why do we use `if name == "main"`?

`repr()` is mainly intended for: