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Best Python MCQ for Beginners with Solutions for Students
Quick Quiz
Which of the following is not classified as a decision-making statement in Python?
a. if-elif statement
b. for statement
c. if-else statement
d. if statement
Option b – for statement
What keyword is used in Python to introduce an alternate condition in an if block?
a. else if
b. elseif
c. elif
d. None of the above
Option c – elif
Which statement is fundamental to creating selection structures in Python?
a. if else if
b. if
c. for
d. while
Option b – if
In Python, how is a block of code defined?
a. Block
b. loop
c. indentation
d. (|
Option c – indentation
Which control structure uses fewer conditional checks than writing two if statements separately?
a. if else if
b. if elif
c. if-else
d. none
Option c – if-else
Which clause is applicable in both if conditions and loops?
a. else
b. break
c. continue
d. none
Option a – else
Which statement ends loop execution immediately in Python?
a. continue
b. exit
c. breake
d. break
Option d – break
Which operator is used to verify if a value appears within a given sequence?
a. In:
b. in
c. not in
d. none
Option b – in
Which of the following is used as a placeholder that performs no action in Python?
a. pass
b. none
c. null
d. none
Option a – pass
What term refers to the group of break and continue statements in Python?
a. Jump
b. goto
c. compound
d. none
Option b – goto
What do we call the execution of statements in order from top to bottom?
a. alternate
b. sequence
c. flow of data
d. flow chart
Option b – sequence
What are the two membership operators available in Python?
a. in, not in
b. true, false
c. is, is not
d. none
Option a – in, not in
What visual tool is commonly used to illustrate an algorithm?
a. flow of data
b. barchart
c. flow chart
d. none
Option c – flow chart
Which of the following correctly represents the logic: “A is greater than B or A is less than C”?
a. A > B or A < C
b. A > B and A < C
c. A > B and C
d. A > B or C
Option a – A > B or A < C
What is the appropriate expression for: “The name is rohit and age is in the range 18 to 35”?
a. name == rohit and age == 18 and age <= 25
b. name == rohit and age >= 18 or age <= 5
c. name == rohit or age >= 18 and age <= 5
d. none
Option c – name == rohit or age >= 18 and age <= 5
Choose the correct logical expression for: “Donation is between 4000 and 5000 or the person is a guest.”
a. (donation >= 4000 and donation < 5000) or guest == 1
b. donation >= 4000 or donation <= 5000 or guest == 1
c. donation >= 4000 and (donation < 5000 or guest == 1)
d. donation >= 4000 and donation == 5000 or guest == 1
Option a – (donation >= 4000 and donation < 5000) or guest == 1
Which one of the following statements is correct?
- The if, elif, and else statements are not compound statements.
- The term “else if” is valid syntax in Python.
- Python does not require indentation for defining blocks.
- The pass statement does not perform any operation.
a. 1
b. 2, 3
c. 3
d. 4
Option d – 4
What is the purpose of control flow statements in Python?
a. To manage the sequence in which program statements are executed
b. To define and assign values to variables
c. To carry out arithmetic operations
d. All of the above
Option a – To manage the sequence in which program statements are executed
Which of these is not classified as a control flow statement in Python?
a. If statement
b. Else statement
c. Elif statement
d. While loop
Option d – While loop
Which of the following represents a correct usage of the break statement?
a. break
b. break 1
c. break “while loop”
d. break()
Option a – break
Which of these options shows a syntactically correct use of the pass statement?
a. pass
b. pass 1
c. pass “function”
d. None of the above
Option a – pass
From the list below, which one is not a valid control flow construct in Python?
a. If statement
b. Else statement
c. Elif statement
d. For loop
e. While loop
f. Switch statement
Option f – Switch statement
Which option is NOT a correct method to add an element to a list?
a. my_list.append(value)
b. my_list + [value]
c. my_list.insert(len(my_list), value)
d. None of the above
Option d – None of the above
Which of the following does NOT properly remove an element from a list?
a. my_list.remove(value)
b. del my_list[my_list.index(value)]
c. my_list.pop(my_list.index(value))
d. None of the above
Option d – None of the above
Which of these is NOT a valid approach to combine two lists into a new list?
a. new_list = my_list1 + my_list2
b. new_list = list(my_list1) + list(my_list2)
c. new_list = copy.deepcopy(my_list1) + copy.deepcopy(my_list2)
d. None of the above
Option d – None of the above
Which method is NOT a correct way to verify if a list is empty?
a. not my_list
b. len(my_list) == 0
c. my_list is None
d. None of the above
Option d – None of the above
Which of the following is NOT a proper syntax for list comprehension?
a. [value for value in my_list]
b. [value for value in my_list if value]
c. value2 for value in my_list
d. [value[0] for value in my_list]
Option d – None of the above
Which of these is NOT a valid way to loop through a dictionary?
a. for key in my_dict:
b. for value in my_dict.values():
c. for key, value in my_dict.items():
d. for item in my_dict.items():
Option d – for item in my_dict.items():
Which of the following is NOT a valid technique to check if a key exists in a dictionary?
a. key in my_dict
b. my_dict.has_key(key)
c. my_dict.get(key) is not None
d. None of the above
Option b – my_dict.has_key(key)
Which option is NOT a correct way to insert a new key-value pair into a dictionary?
a. my_dict[key] = value
b. my_dict.update({key: value})
c. my_dict.setdefault(key, value)
d. None of the above
Option d – None of the above
Which of the following is NOT a valid method to delete an item from a dictionary?
a. del my_dict[key]
b. my_dict.pop(key)
c. my_dict.popitem()
d. None of the above
Option d – None of the above
Which of these is NOT a valid dictionary comprehension?
a. {key: value for key, value in my_dict.items()}
b. {key for key in my_dict.keys()}
c. {value for value in my_dict.values()}
d. {key + “2”: value for key, value in my_dict.items()}
Option d – {key + “2”: value for key, value in my_dict.items()}
Which of the following demonstrates a nested if statement?
a. if condition1:
if condition2:
execute code
b. if condition1 and condition2:
execute code
c. if condition1 or condition2:
execute code
d. All of these
Option d – All of these
Which option correctly represents an elif statement?
a. if condition1: elif condition2:
b. if condition1: elif condition2:
c. if condition1: else if condition2:
d. All of the above
Option d – All of the above
Which of these correctly uses the else statement?
a. if condition1: elif condition2: else:
b. if condition1: else:
c. if condition1: else if condition2:
d. All of these
Option d – All of the above
Which choice is an example of a nested conditional?
a. if condition: if condition2:
b. if condition1 or condition2:
c. if condition1: else if condition2:
d. None of these
Option a – if condition1: if condition2:
Which is a proper use of the and operator?
a. if condition1 and condition2:
b. if condition1 or condition2:
c. if condition1: else if condition2:
d. None of the above
Option a – if condition1: if condition2:
Which option shows correct use of the or operator?
a. if condition1 and condition2:
b. if condition1 or condition2:
c. if condition1: else if condition2:
d. None of these
Option b – if condition1 or condition2:
Which of the following correctly uses the not operator?
a. if not condition:
b. if condition or not condition:
c. if condition: else if not condition:
d. All of the above
Option d – All of the above
Which of these correctly demonstrates how to use the map() function?
a. map(function, iterable)
b. map(iterable, function)
c. mapfunction, function iterable)
d. None of these
Option a – map(function, iterable)
Which option shows a proper usage of the filter() function?
a. filter(function, iterable)
b. filter(iterable, function)
c. filter(function, function, iterable)
d. None of these
Option a – filter(function, iterable)
Which of the following correctly applies the reduce() function?
a. reduce(function, iterable)
b. reduce(iterable, function)
c. reduce(function, function, iterable)
d. None of these
Option a – reduce(function, iterable)
Which is a correct way to use the break statement in Python?
a. break
b. break out of loop
c. break loop
d. All of the above
Option a – break
Which of the following is a valid usage of the continue statement?
a. continue
b. continue loop
c. skip loop
d. All of the above
Option a – continue
What is the function of a switch statement?
a. To run a specific block of code depending on the value of an expression
b. To execute code when a certain condition is true
c. To execute code when a certain condition is false
d. None of the above
Option a – To run a specific block of code depending on the value of an expression
What role does the break statement play inside a switch statement?
a. It stops the execution from continuing to the next case
b. It allows the next case to be executed
c. It triggers the default case to run
d. None of the above
Option a – It stops the execution from continuing to the next case
Which of these represents the correct syntax for a for loop?
for (initialization; condition; increment) { statements; }
a. False
b. True
Option b – True
What is the main purpose of a for loop?
a. To repeatedly run a block of code until a condition becomes false
b. To run code only if a condition is true
c. To run code only if a condition is false
d. None of the above
Option a – To repeatedly run a block of code until a condition becomes false
Which option shows the correct syntax for a while loop?
while (condition) { statements; }
a. True
b. False
Option a – True
What is the goal of using a while loop?
a. To continuously execute code while a condition remains true
b. To execute code if a condition is true
c. To execute code if a condition is false
d. None of the above
Option a – To continuously execute code while a condition remains true
What does a do-while loop accomplish?
a. It runs a block of code at least once and continues as long as the condition holds true
b. It executes code only if a condition is true
c. It executes code only if a condition is false
d. None of the above
Option a – It runs a block of code at least once and continues as long as the condition holds true
Which of the following are examples of branching statements?
a. break
b. continue
c. return
d. All of the above
Option d – All of the above
What is the purpose of the break statement?
a. To exit out of a loop immediately
b. To jump to the next iteration of a loop
c. To end the execution of a function or method
d. None of the above
Option a – To exit out of a loop immediately
How would you define a nested loop?
a. A loop placed inside another loop
b. A loop that runs multiple times
c. A loop that executes while a condition is met
d. None of the above
Option a – A loop placed inside another loop
What is the purpose of using a nested loop?
a. To repeat an operation several times within the body of another loop
b. To keep running a block of code inside another loop until a condition is met
c. To perform repeated execution both multiple times and until a condition is met inside another loop
d. All of the above
Option d – All of the above
What role does a break statement play inside a nested loop?
a. It stops the execution of the outer loop
b. It stops the execution of the inner loop
c. It moves to the next cycle of the outer loop
d. It moves to the next cycle of the inner loop
Option b – It stops the execution of the inner loop
What is the function of a continue statement within a nested loop?
a. It stops the outer loop
b. It stops the inner loop
c. It skips to the following iteration of the outer loop
d. It skips to the following iteration of the inner loop
Option d – It skips to the following iteration of the inner loop
What are typical errors made when using break and continue statements in nested loops?
a. Failing to use break to exit the outer loop when needed
b. Failing to use continue to skip iterations in the inner loop when necessary
c. Misusing break and continue, resulting in unintended program behavior
d. All of the above
Option d – All of the above
What steps help prevent mistakes with break and continue in nested loops?
a. Thoughtfully design your code logic before implementing break and continue
b. Conduct comprehensive testing to verify expected behavior
c. Apply break and continue carefully and sparingly
d. All of the above
Option d – All of the above
How does a switch statement help manage program flow?
a. It runs different code blocks depending on the value of an expression
b. It loops through a series of values
c. It manages the flow of other control structures
d. All of the above
Option d – All of the above
What are frequent pitfalls when using switch statements to control flow?
a. Omitting a default case to cover unexpected input
b. Forgetting break statements, causing unintended case fall-through
c. Choosing switch when another control structure (like if or for) fits better
d. All of the above
Option d – All of the above
What measures can be taken to avoid common switch statement errors?
a. Carefully analyze your logic before deciding to use switch
b. Use break statements to prevent fall-through between cases
c. Always include a default case to handle unforeseen scenarios
d. All of the above
Option d – All of the above
How do conditional control flow statements differ from iterative control flow statements?
a. Conditional statements execute code when a condition holds true, while iterative statements repeat code until a condition becomes true
b. Iterative statements execute code when a condition holds true, while conditional statements repeat code until a condition becomes true
c. There is no distinction between conditional and iterative control flow statements
d. None of the above
Option a – Conditional statements execute code when a condition holds true, while iterative statements repeat code until a condition becomes true
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