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Best Online Python MCQ Test for Certification
Quick Quiz
What does the map() function return?
a. A list matching the size of the input list
b. A list twice the size of the input list
c. A single aggregated value
d. A tuple with the mapped results
Option a – A list matching the size of the input list
What occurs when filter() is used on a list of integers without providing a filtering function?
a. Only positive integers are included in the filtered output
b. An error is thrown because a function argument is missing
c. All zero values are excluded from the list
d. All non-zero integers are retained in the filtered list
Option d – All non-zero integers are retained in the filtered list
What inputs does the reduce() function require?
a. A function that takes two arguments and an iterable
b. A function that takes one argument and an iterable
c. A function that takes three arguments and an iterable
d. A function accepting any number of arguments along with an iterable
Option a – A function that takes two arguments and an iterable
What does the len() function measure when applied to a list containing tuples?
a. The total number of tuples in the list
b. The sum of elements across all tuples
c. The number of elements in the first tuple only
d. The length of the first element within each tuple
Option a – The total number of tuples in the list
What type of data does enumerate() produce when iterating?
a. Tuple
b. List
c. Dictionary
d. Set
Option a – Tuple
How does the max() function behave on a list of strings?
a. Returns the string with the greatest length
b. Returns the string with the lowest ASCII value
c. Returns the string with the highest ASCII value
d. Generates an error since string comparison is invalid
Option a – Returns the string with the greatest length
Under what condition does the all() function return True?
a. Every element in the list evaluates to True
b. At least one element in the list is True
c. Every element in the list evaluates to False
d. At least one element in the list is False
Option a – Every element in the list evaluates to True
How is the accumulate() function different from reduce()?
a. reduce() calculates a cumulative total, whereas accumulate() applies a custom operation cumulatively
b. accumulate() calculates a cumulative total, while reduce() applies a custom operation
c. reduce() is restricted to integers; accumulate() works with various data types
d. There is no functional difference; both are interchangeable
Option b – accumulate() calculates a cumulative total, while reduce() applies a custom operation
What is the main function of filter() when used on a list of strings?
a. Removes strings containing digits
b. Removes empty strings
c. Removes strings with odd lengths
d. Removes strings containing vowels
Option b – Removes empty strings
How does map() handle multiple iterables?
a. It combines corresponding elements using the provided function
b. It ignores additional iterables and processes only the first
c. Throws an error since multiple iterables are unsupported
d. It zips the iterables and applies the function to each tuple
Option d – It zips the iterables and applies the function to each tuple
What is the main purpose of the any() function when working with a list of boolean values?
a. To verify if every value is True
b. To check if at least one value is True
c. To tally the number of True values
d. To generate a list containing only True values
Option b – To check if at least one value is True
In what way does enumerate() differ from using range(len(lst)) to loop through a list?
a. enumerate() produces pairs of index and element, whereas range(len(lst)) provides only indices
b. enumerate() gives only indices, while range(len(lst)) returns index-element pairs
c. Both methods function the same and can be used interchangeably
d. enumerate() is not suitable for lists
Option a – enumerate() produces pairs of index and element, whereas range(len(lst)) provides only indices
What kind of output does the map() function generate?
a. A list matching the original list’s length
b. A list double the size of the original
c. A single aggregated value
d. A tuple containing the mapped results
Option a – A list matching the original list’s length
How does filter() behave when used on a list of integers without specifying a filtering function?
a. It results in an error
b. It filters out None values
c. It retains all elements in the filtered output
d. It applies the bool() function to each item to determine inclusion
Option d – It applies the bool() function to each item to determine inclusion
What is the outcome of applying reduce() with a custom function to a list of strings?
a. Produces a single string by joining all elements
b. Calculates the sum of ASCII values of all characters
c. Throws an error since the function may not work on strings
d. Computes the product of the lengths of all strings
Option a – Produces a single string by joining all elements
Is a lambda function limited to only one line of code?
a. Yes, it is
b. No, it is not
c. Depends on how complex the function is
d. Only true when combined with map()
Option a – Yes, it is
Which of these function signatures is best suited for calculating a weekly average temperature?
a. def calculate_average_temperature(temperatures):
b. def average(temperature_list):
c. def find_average(temps):
d. def avg_temp(weekly_temps):
Option a – def calculate_average_temperature(temperatures):
Given a list of product prices, which function would you write to find and show the highest-priced product?
a. def find_max_price(products):
b. def display_most_expensive(prices):
c. def max_product_price(items):
d. def highest_price(products_list):
Option a – def find_max_price(products):
Which function definition would be appropriate to remove every instance of a given element from a list?
a. def remove_element(my_list, target):
b. def delete_occurrences(elements, item):
c. def filter_list(input_list, value):
d. def eliminate(target, list_items):
Option a – def remove_element(my_list, target):
If you want to create a function that returns a new list with each element squared, which function signature would you use?
a. def square_elements(input_list):
b. def calculate_squares(numbers):
c. def square_list(lst):
d. def perform_square(list_values):
Option a – def square_elements(input_list):
In a task scheduling program, which function definition would be suitable to identify the next task scheduled after the current date?
a. def find_upcoming_task(tasks, current_date):
b. def next_task(tasks, today):
c. def get_next_task_by_date(task_list, current_date):
d. def identify_upcoming(tasks, date_now):
Option a – def find_upcoming_task(tasks, current_date):
For a game project requiring questions to be presented in a randomized order, which function should you write to shuffle the list of questions?
a. def shuffle_questions(question_list):
b. def randomize_questions(questions):
c. def mix_question_order(quiz):
d. def reorder_questions(random_list):
Option a – def shuffle_questions(question_list):
Given a list of employee salaries, which function would you use to calculate the difference between the maximum and minimum salary?
a. def salary_range(salaries):
b. def calculate_salary_difference(payroll):
c. def find_salary_variation(employee_salaries):
d. def range_of_salaries(salary_list):
Option a – def salary_range(salaries):
To remove all even numbers from an integer list, which function prototype fits best?
a. def filter_even_numbers(number_list):
b. def exclude_odds(numbers):
c. def remove_odd_values(data):
d. def select_even_elements(integers):
Option a – def filter_even_numbers(number_list):
Which function signature would be appropriate for adding an element to a list only if it’s not already included?
a. def append_unique_element(my_list, new_element):
b. def add_element_unless_exists(elements, item):
c. def insert_if_not_present(input_list, value):
d. def unique_append(target, list_items):
Option a – def append_unique_element(my_list, new_element):
If you have a collection of book titles, which function would you implement to identify and display the longest title?
a. def find_longest_title(book_titles):
b. def display_max_length_title(titles):
c. def longest_book_title(books):
d. def identify_longest(book_titles_list):
Option a – def find_longest_title(book_titles):
When building a search engine, which function prototype would you use to remove frequently used stop words from a list of search terms?
a. def remove_stop_words(query_terms, stop_words):
b. def filter_common_terms(terms, stop_list):
c. def clean_search_query(query, common_words):
d. def eliminate_stopwords(search_terms, common_terms):
Option a – def remove_stop_words(query_terms, stop_words):
To combine two lists while eliminating duplicates, which function definition is appropriate?
a. def merge_and_remove_duplicates(list1, list2):
b. def combine_lists(unique_merge):
c. def merge_lists_remove_duplicates(first, second):
d. def merge_with_no_duplicates(list_one, list_two):
Option a – def merge_and_remove_duplicates(list1, list2):
Which function prototype would you use to determine the median value from a list of numbers?
a. def find_median(numbers):
b. def calculate_list_median(data):
c. def identify_median_value(values):
d. def median_of_list(last):
Option a – def find_median(numbers):
You have a collection of file sizes and want to determine the total size in megabytes. Which function would you design?
a. def calculate_total_size(file_sizes):
b. def find_total_megabytes(sizes):
c. def compute_file_size(total_sizes):
d. def sum_file_sizes(file_size_list):
Option a – def calculate_total_size(file_sizes):
You want to create a function that adds an element to a list only if it isn’t already present. Which function prototype fits this task?
a. def append_unique_element(my_list, new_element):
b. def add_element_unless_exists(elements, item):
c. def insert_if_not_present(input_list, value):
d. def unique_append(target, list_items):
Option a – def append_unique_element(my_list, new_element):
For a list of employee salaries, which function signature would be best to calculate the gap between the highest and lowest salary?
a. def salary_range(salaries):
b. def calculate_salary_difference(payroll):
c. def find_salary_variation(employee_salaries):
d. def range_of_salaries(salary_list):
Option a – def salary_range(salaries):
Which function prototype is appropriate to verify if a list is sorted in descending order?
a. def is_sorted_descending(input_list):
b. def check_sort_order(data):
c. def validate_sorting(order_list):
d. def verify_descending_sequence(sequence):
Option a – def is_sorted_descending(input_list):
Which function signature would you select to compute the overall performance of students based on scores from various subjects?
a. def calculate_overall_performance(subject_scores, weights):
b. def analyze_subjects_performance(scores, subjects):
c. def evaluate_student_performance(student_scores, subject_weights):
d. def find_overall_grade(score_list, weight_list):
Option a – def calculate_overall_performance(subject_scores, weights):
You need a function to determine if a list is a palindrome. Which prototype would you choose?
a. def is_palindrome(input_list):
b. def check_palindromicity(data):
c. def validate_palindrome(input_sequence):
d. def verify_palindrome_sequence(sequence):
Option a – def is_palindrome(input_list):
When creating a music player, which function would you write to find the total duration of the playlist?
a. def calculate_total_duration(song_durations):
b. def find_playlist_duration(durations):
c. def determine_total_playtime(songs):
d. def sum_song_durations(duration_list):
Option a – def calculate_total_duration(song_durations):
You want to filter out all items in a list that don’t satisfy a certain condition. Which function prototype would you use?
a. def filter_elements(input_list, condition):
b. def exclude_non_matching(elements, criteria):
c. def remove_unwanted(list_data, filter_condition):
d. def select_matching_elements(data_list, condition):
Option a – def filter_elements(input_list, condition):
Given a list of movie ratings, which function would help find and show the highest-rated movie?
a. def find_highest_rated(movie_ratings):
b. def display_best_movie(ratings):
c. def highest_rated_movie(movies):
d. def identify_top_rated(movie_ratings_list):
Option a – def find_highest_rated(movie_ratings):
Which function removes the first instance of a given element from a tuple?
a. remove()
b. discard()
c. delete()
d. pop()
Option c – remove()
How can you verify if every item in a tuple evaluates to True?
a. all(tuple_variable)
b. tuple_variable.check_all()
c. tuple_variable.are_all_true()
d. all_true(tuple_variable)
Option a – all(tuple_variable)
What does the filter function do when applied to tuples?
a. Eliminates elements that do not meet a specified condition
b. Filters elements according to their position
c. Removes all even numbers
d. Removes all odd numbers
Option a – Eliminates elements that do not meet a specified condition
How can you transform a tuple into a dictionary?
a. dictionary(tuple_variable)
b. tuple_variable.to_dict()
c. tuple_variable.convert_to_dict()
d. dict(tuple_variable)
Option d – dict(tuple_variable)
Which is the correct way to test if an element is missing from a tuple?
a. if element not in tuple_variable:
b. if element not tuple_variable:
c. if not element in tuple_variable:
d. if not tuple_variable.contains(element):
Option a – if element not in tuple_variable:
What would be the result of the comparison (‘a’, ‘b’) < (‘c’, ‘a’)?
a. True
b. False
c. Error
d. (‘c’, ‘a’)
Option c – Error
What occurs if you try to change an element inside a tuple?
a. The operation is permitted
b. Raises a TypeError
c. Creates a new tuple automatically
d. Raises a ValueError
Option b – Raises a TypeError
Which function finds the position of the first occurrence of an element in a tuple?
a. find()
b. index()
c. search()
d. locate()
Option b – index()
What is the outcome of multiplying the tuple (‘a’, ‘b’) by 3?
a. (‘a’, ‘b’, ‘a’, ‘b’, ‘a’, ‘b’)
b. (‘a’, ‘b’, 3)
c. (‘a’, ‘b’, ‘a’, ‘b’, 3)
d. (‘a’, ‘b’, ‘a’, ‘b’, ‘a’, ‘b’, ‘a’, ‘b’)
Option a – (‘a’, ‘b’, ‘a’, ‘b’, ‘a’, ‘b’)
Is it possible to use a tuple as a dictionary key?
a. Yes
b. No
Option a – Yes
Which built-in function converts an iterable into a tuple?
a. tuple()
b. to_tuple()
c. list()
d. convert_to_tuple()
Option a – tuple()
How can you delete a tuple called my_tuple entirely?
a. delete my_tuple
b. del my_tuple
c. remove my_tuple
d. my_tuple.delete()
Option b – del my_tuple
What does the count method return when used on tuples?
a. The total number of elements in the tuple
b. The count of a specific element’s occurrences
c. The sum of all tuple elements
d. The average value of all elements
Option a – The total number of elements in the tuple
What does the reversed function do with tuples?
a. Reverses the element order
b. Removes elements
c. Sorts the elements
d. Adds new elements
Option c – Sorts the elements
What will tuple('python')[2:5]
return?
a. (‘t’, ‘h’, ‘o’)
b. (‘t’, ‘h’, ‘o’, ‘n’)
c. (‘t’, ‘o’)
d. (‘t’, ‘h’, ‘o’, ‘n’)
Option a – (‘t’, ‘h’, ‘o’)
Which function determines if every item in a tuple evaluates to True?
a. all()
b. any()
c. is_true()
d. check_all()
Option a – all()
What result do you get from ('a', 'b', 'c') * 0
?
a. ()
b. (‘a’, ‘b’, ‘c’)
c. (‘a’, ‘b’, ‘c’, ‘a’, ‘b’, ‘c’)
d. (‘a’, ‘b’, ‘c’, 0)
Option a – ()
What does the any()
function do when applied to a tuple?
a. Returns True if at least one item is truthy
b. Returns True if at least one item is false
c. Checks whether any item is zero
d. Returns True if all elements are non-zero
Option a – Returns True if at least one item is truthy
What is the outcome of combining tuple('abc') + tuple('123')
?
a. (‘abc’, ‘123’)
b. (‘a’, ‘b’, ‘c’, ‘1’, ‘2’, ‘3’)
c. (‘abc123’)
d. (‘a’, ‘b’, ‘c’, 1, 2, 3)
Option b – (‘a’, ‘b’, ‘c’, ‘1’, ‘2’, ‘3’)
What output results from multiplying tuple('hello')
by 2?
a. (‘h’, ‘e’, ‘l’, ‘l’, ‘o’, ‘h’, ‘e’, ‘l’, ‘l’, ‘o’)
b. (‘hh’, ‘ee’, ‘ll’, ‘ll’, ‘oo’)
c. (‘hello’, ‘hello’)
d. (‘h’, ‘e’, ‘l’, ‘l’, ‘o’, ‘h’, ‘e’, ‘l’, ‘l’, ‘o’)
Option a – (‘h’, ‘e’, ‘l’, ‘l’, ‘o’, ‘h’, ‘e’, ‘l’, ‘l’, ‘o’)
Which of the following can be used to add an item at a specific position in a tuple?
a. insert()
b. add()
c. append()
d. insert_at()
Option a – insert()
What result is returned by tuple(range(1, 10, 2))
?
a. (1, 3, 5, 7, 9)
b. (1, 2, 3, 4, 5, 6, 7, 8, 9)
c. (2, 4, 6, 8, 10)
d. (1, 4, 7, 10)
Option a – (1, 3, 5, 7, 9)
What is the correct way to compare two tuples tup1
and tup2
for equality?
a. tup1 == tup2
b. tup1.equals(tup2)
c. tup1.compare(tup2)
d. equals(tup1, tup2)
Option a – tup1 == tup2
What will tuple('abc').count('a')
return?
a. 0
b. 1
c. 3
d. (‘a’, ‘b’, ‘c’)
Option b – 1
Which function is used to get the smallest value from a tuple?
a. min()
b. minimum()
c. find_min()
d. tuple_min()
Option a – min()
What will tuple(123)
result in?
a. (‘1’, ‘2’, ‘3’)
b. (1, 2, 3)
c. (123)
d. (123,)
Option b – (1, 2, 3)
What value is returned by tuple('hello').index('l')
?
a. 2
b. 3
c. [2, 3]
d. (1)
Option a – 2
How can a tuple be transformed into a set?
a. set(my_tuple)
b. my_tuple.to_set()
c. tuple_to_set(my_tuple)
d. set(my_tuple.elements())
Option a – set(my_tuple)
What does the enumerate()
function return when used with a tuple?
a. The count of a specific item
b. A sequence of index-value pairs
c. A filtered version of the tuple
d. A new tuple with enumerated values
Option b – A sequence of index-value pairs
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