Python Basics MCQ Questions with Answers – Page 2 (Latest 2026)

Q51. Which keyword explicitly raises an exception?

A. throw B. raise C. except D. error

Select an answer to check.

Answer: raise

Here, raise is the right choice. Raise is used to trigger exceptions manually. It aligns directly with what the question asks about which keyword explicitly raises an exception. Competing choices sound plausible, but they miss the key condition.

Q52. Which keyword creates a class?

A. struct B. object C. class D. define

Select an answer to check.

Answer: class

In this case, class is correct. Class defines blueprint for objects. It aligns directly with what the question asks about which keyword creates a class. Competing choices sound plausible, but they miss the key condition.

Q53. Which method initializes object attributes?

A. init() B. constructor() C. __init__ D. self()

Select an answer to check.

Answer: __init__

The best option here is __init__. __init__ runs when instance is created. It aligns directly with what the question asks about which method initializes object attributes. Competing choices sound plausible, but they miss the key condition.

Q54. What does `self` represent?

A. Class B. Current instance C. Module D. Global scope

Select an answer to check.

Answer: Current instance

For this question, Current instance is correct. Self refers to the specific object calling the method. It aligns directly with what the question asks about what does `self` represent. Competing choices sound plausible, but they miss the key condition.

Q55. Which syntax shows inheritance?

A. class Child extends Parent B. class Child(Parent) C. inherit Child Parent D. class Child: Parent

Select an answer to check.

Answer: class Child(Parent)

class Child(Parent) is the correct answer here. Parent class is written in parentheses. It aligns directly with what the question asks about which syntax shows inheritance. Competing choices sound plausible, but they miss the key condition.

Q56. Which function checks object type relationship?

A. typeof B. instanceof C. isinstance D. checktype

Select an answer to check.

Answer: isinstance

Here, isinstance is the right choice. Isinstance(obj, Class) verifies type membership. This matches the core idea being tested around which function checks object type relationship. Competing choices sound plausible, but they miss the key condition.

Q57. Which keyword imports a module?

A. use B. include C. import D. require

Select an answer to check.

Answer: import

In this case, import is correct. Import loads module into current namespace. This matches the core idea being tested around which keyword imports a module. Competing choices sound plausible, but they miss the key condition.

Q58. How to import only `sqrt` from `math`?

A. import math.sqrt B. from math import sqrt C. math import sqrt D. use sqrt from math

Select an answer to check.

Answer: from math import sqrt

The best option here is from math import sqrt. From ... import ... imports specific symbol. This matches the core idea being tested around how to import only `sqrt` from `math`. Competing choices sound plausible, but they miss the key condition.

Q59. What does `random.randint(1,3)` include?

A. 1 and 2 only B. 2 and 3 only C. 1,2,3 D. 1 only

Select an answer to check.

Answer: 1,2,3

For this question, 1,2,3 is correct. Randint includes both start and end values. This matches the core idea being tested around what does `random.randint(1,3)` include. Competing choices sound plausible, but they miss the key condition.

Q60. What does `list.sort()` do?

A. Returns new sorted list B. Sorts list in place C. Sorts tuple D. Sorts only strings

Select an answer to check.

Answer: Sorts list in place

Sorts list in place is the correct answer here. Sort() mutates original list and returns None. This matches the core idea being tested around what does `list.sort()` do. Competing choices sound plausible, but they miss the key condition.

Q61. What does `sorted(list)` do?

A. Sorts in place B. Returns new sorted list C. Deletes duplicates D. Reverses list

Select an answer to check.

Answer: Returns new sorted list

Here, Returns new sorted list is the right choice. Sorted() returns a new list, original remains unchanged. That is exactly the concept behind what does `sorted(list)` do in this context. Competing choices sound plausible, but they miss the key condition.

Q62. Which method reverses list in place?

A. reverse() B. reversedonly() C. flip() D. back()

Select an answer to check.

Answer: reverse()

In this case, reverse() is correct. Reverse() changes order of original list. That is exactly the concept behind which method reverses list in place in this context. Competing choices sound plausible, but they miss the key condition.

Q63. What does `enumerate(list)` provide?

A. Values only B. Indexes only C. (index, value) pairs D. Sorted values

Select an answer to check.

Answer: (index, value) pairs

The best option here is (index, value) pairs. Enumerate adds index while iterating. That is exactly the concept behind what does `enumerate(list)` provide in this context. Competing choices sound plausible, but they miss the key condition.

Q64. What does `zip(a,b)` do?

A. Adds lists B. Combines iterables by position C. Sorts lists D. Removes duplicates

Select an answer to check.

Answer: Combines iterables by position

For this question, Combines iterables by position is correct. Zip pairs elements from each iterable. That is exactly the concept behind what does `zip(a,b)` do in this context. Competing choices sound plausible, but they miss the key condition.

Q65. When does `any([..])` return True?

A. All true B. At least one true C. All false D. Never

Select an answer to check.

Answer: At least one true

At least one true is the correct answer here. Any returns true if any element is truthy. That is exactly the concept behind when does `any([..])` return true in this context. Competing choices sound plausible, but they miss the key condition.

Q66. When does `all([..])` return True?

A. At least one true B. All true C. All false D. Never

Select an answer to check.

Answer: All true

Here, All true is the right choice. All returns true only if every element is truthy. It fits the requirement in the prompt about when does `all([..])` return true. Competing choices sound plausible, but they miss the key condition.

Q67. What is `bool('')`?

A. True B. False C. None D. Error

Select an answer to check.

Answer: False

In this case, False is correct. Empty string is falsy. It fits the requirement in the prompt about what is `bool('')`. Competing choices sound plausible, but they miss the key condition.

Q68. What is `bool('0')`?

A. True B. False C. None D. Error

Select an answer to check.

Answer: True

The best option here is True. Non-empty strings are truthy, including '0'. It fits the requirement in the prompt about what is `bool('0')`. Competing choices sound plausible, but they miss the key condition.

Q69. What is a common use of set?

A. Store duplicates B. Keep insertion by index C. Remove duplicates D. Store key-value

Select an answer to check.

Answer: Remove duplicates

For this question, Remove duplicates is correct. Sets keep unique elements only. It fits the requirement in the prompt about what is a common use of set. Competing choices sound plausible, but they miss the key condition.

Q70. Which dictionary method avoids KeyError for missing key?

A. fetch() B. get() C. value() D. lookup()

Select an answer to check.

Answer: get()

get() is the correct answer here. Get returns default (None by default) if key missing. It fits the requirement in the prompt about which dictionary method avoids keyerror for missing key. Competing choices sound plausible, but they miss the key condition.

Q71. What does `pop()` usually do?

A. Reads without removing B. Removes and returns item C. Adds item D. Sorts list

Select an answer to check.

Answer: Removes and returns item

Here, Removes and returns item is the right choice. Pop removes element and returns it. This is the most accurate statement for what does `pop()` usually do. Competing choices sound plausible, but they miss the key condition.

Q72. What does `del` do?

A. Copies object B. Deletes reference/item C. Prints object D. Converts type

Select an answer to check.

Answer: Deletes reference/item

In this case, Deletes reference/item is correct. Del can delete variables or container elements. This is the most accurate statement for what does `del` do. Competing choices sound plausible, but they miss the key condition.

Q73. List indexing starts at?

A. -1 B. 0 C. 1 D. Depends on list

Select an answer to check.

Answer: 0

The best option here is 0. Python uses zero-based indexing. This is the most accurate statement for list indexing starts at. Competing choices sound plausible, but they miss the key condition.

Q74. What does index `-1` refer to?

A. First item B. Second item C. Last item D. Error

Select an answer to check.

Answer: Last item

For this question, Last item is correct. Negative indexing counts from end. This is the most accurate statement for what does index `-1` refer to. Competing choices sound plausible, but they miss the key condition.

Q75. What does `strip()` do on string?

A. Removes middle spaces B. Removes leading/trailing spaces C. Removes all chars D. Splits text

Select an answer to check.

Answer: Removes leading/trailing spaces

Removes leading/trailing spaces is the correct answer here. Strip trims whitespace at both ends. This is the most accurate statement for what does `strip()` do on string. Competing choices sound plausible, but they miss the key condition.

Q76. What does `replace('a','b')` do?

A. Mutates original string B. Returns modified copy C. Sorts string D. Deletes string

Select an answer to check.

Answer: Returns modified copy

Here, Returns modified copy is the right choice. Strings are immutable; replace returns new string. It aligns directly with what the question asks about what does `replace('a','b')` do. The remaining choices fail because they don’t satisfy the full definition.

Q77. What does `startswith('Py')` check?

A. Suffix B. Prefix C. Contains D. Length

Select an answer to check.

Answer: Prefix

In this case, Prefix is correct. Startswith checks beginning of string. It aligns directly with what the question asks about what does `startswith('py')` check. The remaining choices fail because they don’t satisfy the full definition.

Q78. What does `endswith('.py')` check?

A. Prefix B. Suffix C. Contains D. Type

Select an answer to check.

Answer: Suffix

The best option here is Suffix. Endswith checks ending of string. It aligns directly with what the question asks about what does `endswith('.py')` check. The remaining choices fail because they don’t satisfy the full definition.

Q79. Which is Python ternary expression?

A. cond ? a : b B. a if cond else b C. if cond then a else b D. a : b ? cond

Select an answer to check.

Answer: a if cond else b

For this question, a if cond else b is correct. Python conditional expression follows this order. It aligns directly with what the question asks about which is python ternary expression. The remaining choices fail because they don’t satisfy the full definition.

Q80. What does `type(x)` return?

A. Value of x B. Data type of x C. Length of x D. Memory address

Select an answer to check.

Answer: Data type of x

Data type of x is the correct answer here. Type gives class/type of object. It aligns directly with what the question asks about what does `type(x)` return. The remaining choices fail because they don’t satisfy the full definition.

Q81. What does `id(x)` generally represent?

A. Value hash B. Unique identity of object C. Type name D. Index

Select an answer to check.

Answer: Unique identity of object

Here, Unique identity of object is the right choice. Id returns integer identity for object during lifetime. This matches the core idea being tested around what does `id(x)` generally represent. The remaining choices fail because they don’t satisfy the full definition.

Q82. What does `dir(obj)` provide?

A. Current directory B. Attributes/methods list C. File list D. Errors list

Select an answer to check.

Answer: Attributes/methods list

In this case, Attributes/methods list is correct. Dir helps inspect available members. This matches the core idea being tested around what does `dir(obj)` provide. The remaining choices fail because they don’t satisfy the full definition.

Q83. What is `help(len)` used for?

A. Execute len B. Show documentation C. Install package D. Run tests

Select an answer to check.

Answer: Show documentation

The best option here is Show documentation. Help displays docs for objects/functions. This matches the core idea being tested around what is `help(len)` used for. The remaining choices fail because they don’t satisfy the full definition.

Q84. What numbers are in `range(1,10,2)`?

A. 1,3,5,7,9 B. 2,4,6,8 C. 1 to 10 D. Only odd <=7

Select an answer to check.

Answer: 1,3,5,7,9

For this question, 1,3,5,7,9 is correct. Starts at 1, step 2, stops before 10. This matches the core idea being tested around what numbers are in `range(1,10,2)`. The remaining choices fail because they don’t satisfy the full definition.

Q85. What does `map(func, items)` do?

A. Filters items B. Applies function to items C. Sorts items D. Groups items

Select an answer to check.

Answer: Applies function to items

Applies function to items is the correct answer here. Map transforms each element with given function. This matches the core idea being tested around what does `map(func, items)` do. The remaining choices fail because they don’t satisfy the full definition.

Q86. What does `filter(func, items)` do?

A. Transforms each item B. Keeps matching items C. Sorts items D. Duplicates items

Select an answer to check.

Answer: Keeps matching items

Here, Keeps matching items is the right choice. Filter returns items where predicate is truthy. That is exactly the concept behind what does `filter(func, items)` do in this context. The remaining choices fail because they don’t satisfy the full definition.

Q87. What does `sum([1,2,3])` return?

A. 5 B. 6 C. 123 D. Error

Select an answer to check.

Answer: 6

In this case, 6 is correct. Sum adds all numeric elements. That is exactly the concept behind what does `sum([1,2,3])` return in this context. The remaining choices fail because they don’t satisfy the full definition.

Q88. What does `max([3,1,7])` return?

A. 1 B. 3 C. 7 D. Error

Select an answer to check.

Answer: 7

The best option here is 7. Max returns largest element. That is exactly the concept behind what does `max([3,1,7])` return in this context. The remaining choices fail because they don’t satisfy the full definition.

Q89. What does `min([3,1,7])` return?

A. 1 B. 3 C. 7 D. Error

Select an answer to check.

Answer: 1

For this question, 1 is correct. Min returns smallest element. That is exactly the concept behind what does `min([3,1,7])` return in this context. The remaining choices fail because they don’t satisfy the full definition.

Q90. What does `abs(-9)` return?

A. -9 B. 9 C. 0 D. Error

Select an answer to check.

Answer: 9

9 is the correct answer here. Abs returns absolute magnitude. That is exactly the concept behind what does `abs(-9)` return in this context. The remaining choices fail because they don’t satisfy the full definition.

Q91. What does `round(2.4)` return?

A. 2 B. 3 C. 2.4 D. 2.5

Select an answer to check.

Answer: 2

Here, 2 is the right choice. 2.4 rounds to nearest integer 2. It fits the requirement in the prompt about what does `round(2.4)` return. The remaining choices fail because they don’t satisfy the full definition.

Q92. What kind of copy is `list.copy()`?

A. Deep copy B. Shallow copy C. No copy D. Immutable copy

Select an answer to check.

Answer: Shallow copy

In this case, Shallow copy is correct. Copy duplicates top-level list only. It fits the requirement in the prompt about what kind of copy is `list.copy()`. The remaining choices fail because they don’t satisfy the full definition.

Q93. For lists, what does `==` compare?

A. Identity B. Values C. Memory address D. Types only

Select an answer to check.

Answer: Values

The best option here is Values. == checks element-wise value equality. It fits the requirement in the prompt about for lists, what does `==` compare. The remaining choices fail because they don’t satisfy the full definition.

Q94. For objects, what is `is` best used for?

A. Value equality B. Identity comparison C. Sorting D. Casting

Select an answer to check.

Answer: Identity comparison

For this question, Identity comparison is correct. Is tests whether two names reference same object. It fits the requirement in the prompt about for objects, what is `is` best used for. The remaining choices fail because they don’t satisfy the full definition.

Q95. Which collection is mutable?

A. tuple B. str C. list D. frozenset

Select an answer to check.

Answer: list

list is the correct answer here. Lists can be modified in place. It fits the requirement in the prompt about which collection is mutable. The remaining choices fail because they don’t satisfy the full definition.

Q96. Can you append directly to a tuple?

A. Yes B. No C. Only if empty D. Only with +=

Select an answer to check.

Answer: No

Here, No is the right choice. Tuple is immutable; no append method. This is the most accurate statement for can you append directly to a tuple. The remaining choices fail because they don’t satisfy the full definition.

Q97. Default iteration over dictionary gives?

A. Values B. (key,value) tuples C. Keys D. Indexes

Select an answer to check.

Answer: Keys

In this case, Keys is correct. For x in dict iterates over keys by default. This is the most accurate statement for default iteration over dictionary gives. The remaining choices fail because they don’t satisfy the full definition.

Q98. How to iterate key-value pairs in dictionary `d`?

A. d.pairs() B. d.items() C. d.values() D. pairs(d)

Select an answer to check.

Answer: d.items()

The best option here is d.items(). Items returns iterable of (key, value) pairs. This is the most accurate statement for how to iterate key-value pairs in dictionary `d`. The remaining choices fail because they don’t satisfy the full definition.

Q99. What does `list(range(3))` produce?

A. [1,2,3] B. [0,1,2] C. [0,1,2,3] D. [3]

Select an answer to check.

Answer: [0,1,2]

For this question, [0,1,2] is correct. Range stop is exclusive. This is the most accurate statement for what does `list(range(3))` produce. The remaining choices fail because they don’t satisfy the full definition.

Q100. What is the output of `len([])`?

A. None B. 0 C. 1 D. Error

Select an answer to check.

Answer: 0

0 is the correct answer here. Empty list has length 0. This is the most accurate statement for what is the output of `len([])`. The remaining choices fail because they don’t satisfy the full definition.