Python Quizz Dive into our tech quiz zone and put your technical skills to the test! Our quizzes cover a wide array of technical topics, perfect for sharpening your knowledge and challenging your understanding. Compete with others, see your rankings, and boost your technical proficiency. Start quizzing today! 1 / 70 1. What will be the output of the following code?from functools import reduceresult = reduce(lambda x, y: x + y, [1, 2, 3, 4, 5])print(result) 1 5 15 10 2 / 70 2. What is the purpose of the partial function in the functools module? To apply a function partially To modify the return value of a function To create a partial function To reduce the number of arguments to a function 3 / 70 3. What is the purpose of the __del__ method in a Python class? To initialize an instance of the class To create an instance of the class To delete an instance of the class To modify an instance of the class 4 / 70 4. What will be the output of the following code?import repattern = re.compile(r'(\d{3})-(\d{2})-(\d{4})')match = pattern.match('123-45-6789')print(match.groups()) ('123', '456', '789') ('123-45', '6789') ('123-45-6789') ('123', '45', '6789') 5 / 70 5. What will be the output of the following code?import repattern = re.compile(r'\d+')result = pattern.sub('#', 'My number is 123 and my friend's number is 456')print(result) My number is 123 and my friend's number is 456 My number is # and my friend's number is # My number is 123 and my friend's number is # None 6 / 70 6. Which module is used for mocking in Python? mocking unittest.mock unittest testing 7 / 70 7. Which method in the os module is used to change the current working directory? os.mkdir() os.getcwd() os.chdir() os.rmdir() 8 / 70 8. Which of the following is true about context managers in Python? They use the with statement They must define __enter__ and __exit__ methods All of the above They are used to allocate and release resources 9 / 70 9. What will be the output of the following code?def func(x, y, z=3, *args, **kwargs):return x + y + z + sum(args) + sum(kwargs.values())print(func(1, 2, 3, 4, 5, a=6, b=7)) None 28 29 15 10 / 70 10. What will be the output of the following code?from itertools import cyclecolors = ['red', 'green', 'blue']cycle_colors = cycle(colors)for _ in range(5):print(next(cycle_colors)) red green blue red green red green blue red green blue blue blue None 11 / 70 11. What will be the output of the following code?import multiprocessingdef print_numbers():for i in range(5):print(i)p1 = multiprocessing.Process(target=print_numbers)p2 = multiprocessing.Process(target=print_numbers)p1.start()p2.start()p1.join()p2.join() 0 0 1 1 2 2 3 3 4 4 0 1 2 3 4 0 1 2 3 4 0 1 2 3 4 5 5 5 5 5 12 / 70 12. Which method is used to convert a string to a frozenset? convert() set() frozenset() to_frozenset() 13 / 70 13. What does the yield from statement do in Python? It is used to exit a generator It is used to return multiple values It is used to delegate part of a generator's operations to another generator It is used to throw an exception in a generator 14 / 70 14. What will be the output of the following code?import logginglogging.basicConfig(level=logging.INFO)logging.debug('Debug message')logging.info('Info message')logging.warning('Warning message') Debug messagenInfo messagenWarning message None Warning message Info messagenWarning message 15 / 70 15. Which method is used to read a specific number of bytes from a file? readlines() read() readline() read(size) 16 / 70 16. What is the output of the following code?a = [1, 2, 3]b = aa = a + [4, 5]print(b) None [1, 2, 3] TypeError [1, 2, 3, 4, 5] 17 / 70 17. What will be the output of the following code?def decorator_func(func):def wrapper(*args, **kwargs):print("Wrapper executed this before {}".format(func.__name__))return func(*args, **kwargs)return wrapper@decorator_funcdef display():print("Display function ran")display() Wrapper executed this before displaynDisplay function ran Display function ran Display function rannWrapper executed this before display Wrapper executed this before display 18 / 70 18. Which method is used to replace all occurrences of a pattern in a string? re.sub() re.replace() re.findall() re.search() 19 / 70 19. What is the purpose of the __call__ method in a Python class? To delete an object To compare objects To initialize an object To make an object callable like a function 20 / 70 20. What will be the output of the following code?class A:def __init__(self, x):self.x = xdef __add__(self, other):return A(self.x + other.x)obj1 = A(1)obj2 = A(2)obj3 = obj1 + obj2print(obj3.x) 1 TypeError 2 3 21 / 70 21. What is the output of the following code?def func(x):return lambda y: x + yf = func(10)print(f(5)) 10 TypeError 15 5 22 / 70 22. What will be the output of the following code?def func(a, b=[]):b.append(a)return bprint(func(1))print(func(2)) [1, 1] and [2, 2] [1] and [2] [1] and [1, 2] [1] and [2, 2] 23 / 70 23. What is the purpose of the __slots__ attribute in a Python class? To limit the memory footprint of instances To create a new instance of the class To initialize a new instance of the class To delete an instance of the class 24 / 70 24. What is the output of the following code?from collections import dequed = deque([1, 2, 3, 4])d.appendleft(0)d.pop()d.extend([5, 6])d.rotate(1)print(d) deque([6, 0, 1, 2, 3, 5]) deque([6, 0, 1, 2, 3, 4]) deque([5, 6, 0, 1, 2, 3]) deque([0, 1, 2, 3, 5, 6]) 25 / 70 25. What is the purpose of the seek method in file handling? To read a file To close a file To write to a file To move the file pointer to a specific position 26 / 70 26. What will be the output of the following code?def generator_func():yield 1yield 2yield 3g = generator_func()print(next(g))print(next(g))print(next(g))print(next(g)) 1 2 3 None 1 2 3 StopIteration 1 2 3 Exception 1 2 3 Error 27 / 70 27. What is the purpose of the @patch decorator in the unittest.mock module? To raise an exception To run the tests To replace a method or an object with a mock To create a test suite 28 / 70 28. What will be the output of the following code?import sysa = []b = aprint(sys.getrefcount(a)) 2 4 1 3 29 / 70 29. What is the purpose of the nonlocal keyword in Python? To delete a variable To declare a global variable To modify a variable in an enclosing scope To indicate that a variable is not local 30 / 70 30. What will be the output of the following code?import repattern = re.compile(r'\d+')result = pattern.findall('My number is 123 and my friend's number is 456')print(result) ['123', '456'] ['123456'] ['My number is', 'and my friend's number is'] ['123'] 31 / 70 31. What will be the output of the following code?import pdbdef test():pdb.set_trace()print("Hello, World!")test() Hello, World!npdb> pdb> None Hello, World! 32 / 70 32. Which method in the re module is used to search for a pattern in a string? search() find() lookup() match() 33 / 70 33. What is the purpose of the gc module in Python? To provide access to the garbage collector To provide access to memory management functions To provide access to reference counting functions To provide access to file handling functions 34 / 70 34. Which module is used for creating processes in Python? asyncio multiprocessing threading concurrent.futures 35 / 70 35. What is the purpose of the GIL (Global Interpreter Lock) in Python? To manage memory allocation To handle exceptions To allow multiple threads to execute Python bytecodes at once To prevent multiple threads from executing Python bytecodes at once 36 / 70 36. What will be the output of the following code?class A:def __init__(self):self.value = 42obj = A()print(getattr(obj, 'value')) AttributeError 0 42 None 37 / 70 37. Which of the following is true about coroutines in Python? Both A and C They use the yield keyword They are a special kind of generator function They use the async def keyword 38 / 70 38. What is the purpose of the __new__ method in a Python class? To modify an instance of the class To create a new instance of the class To delete an instance of the class To initialize a new instance of the class 39 / 70 39. Which module is used for debugging in Python? logging traceback pdb debug 40 / 70 40. What is the purpose of the await keyword in Python? To pause the execution of a coroutine To create a coroutine To terminate a coroutine To suspend the execution of a coroutine until the awaited result is available 41 / 70 41. What is the purpose of the @functools.wraps decorator in Python? To time the execution of a function To modify the return value of a function To preserve the metadata of the original function To create a new function 42 / 70 42. What will be the output of the following code?import osos.chdir('/tmp')print(os.getcwd()) tmp / /tmp None 43 / 70 43. Which of the following is true about namedtuples? They are ordered Both B and C They are mutable They can be indexed by field names and positions 44 / 70 44. Which method is used to dynamically create a class in Python? class() object() type() meta() 45 / 70 45. Which method is used to read all lines of a file into a list? readline() readall() read() readlines() 46 / 70 46. What will be the output of the following code?import weakrefclass A: passa = A()r = weakref.ref(a)print(r())del aprint(r()) TypeError A object at ... and None A object at ... and A object at ... None and None 47 / 70 47. 56. What will be the output of the following code?class A: def __init__(self, x): self.x = x def __str__(self): return f'Value: {self.x}'obj = A(10)print(obj) 10 A object at ... None Value: 10 48 / 70 48. Which of the following is true about Python inheritance? A class can inherit from itself A class cannot inherit from another class A class can inherit from one class only A class can inherit from multiple classes 49 / 70 49. Which of the following is true about Python's garbage collector? It can be manually controlled It uses reference counting All of the above It uses generational garbage collection 50 / 70 50. Which module is used for asynchronous programming in Python? asyncio concurrent.futures threading multiprocessing 51 / 70 51. Which of the following is true about lambda functions in Python? They can have multiple statements They are anonymous functions They are defined using the def keyword Both B and C 52 / 70 52. What does the __getattr__ method do in a Python class? It is called when an attribute does not exist It is called when an attribute is accessed It is called when an attribute is set It is called when an attribute is deleted 53 / 70 53. What is the purpose of the set_trace method in the pdb module? To display the traceback To set a breakpoint To start a debugging session To step through the code 54 / 70 54. What will be the output of the following code?with open('test.txt', 'w') as f:f.write('Hello, World!')with open('test.txt', 'r') as f:print(f.read()) FileNotFoundError None `` Hello, World! 55 / 70 55. What will be the output of the following code?import threadingdef print_numbers():for i in range(5):print(i)t1 = threading.Thread(target=print_numbers)t2 = threading.Thread(target=print_numbers)t1.start()t2.start()t1.join()t2.join() 0 0 1 1 2 2 3 3 4 4 0 1 2 3 4 0 1 2 3 4 0 1 2 3 4 5 5 5 5 5 56 / 70 56. What will be the output of the following code?import heapqh = [3, 1, 4, 1, 5, 9, 2, 6]heapq.heapify(h)print([heapq.heappop(h) for _ in range(3)]) [1, 3, 4] [3, 1, 4] [1, 1, 2] [1, 4, 1] 57 / 70 57. What will be the output of the following code?from collections import defaultdictd = defaultdict(int)d['a'] += 1d['b'] += 2d['c'] += 3print(d['a'], d['b'], d['c'], d['d']) 0 0 0 0 1 2 3 KeyError 1 2 3 0 None 58 / 70 58. Which module is used to create and manage complex data structures in Python? collections functools itertools heapq 59 / 70 59. Which function is used to get the reference count of an object in Python? memory.get_refcount() sys.getrefcount() ref.get_count() gc.get_refcount() 60 / 70 60. What is the purpose of the tell method in file handling? To get the current file pointer position To write to a file To read a file To close a file 61 / 70 61. Which of the following is a Python memory management technique? Reference counting All of the above Memory pooling Garbage collection 62 / 70 62. What will be the output of the following code?with open('test.txt', 'w') as f: f.write('Hello, World!')with open('test.txt', 'rb') as f: print(f.read()) FileNotFoundError b'Hello, World!' None Hello, World! 63 / 70 63. What is the result of the following code?class A:def __init__(self):self.a = 1self.__b = 2class B(A):def __init__(self):super().__init__()self.a = 3self.__b = 4obj = B()print(obj.a)print(obj._A__b) 3 and AttributeError 1 and 2 3 and 4 3 and 2 64 / 70 64. What does the following code do?from contextlib import contextmanager@contextmanagerdef open_file(name):f = open(name, 'w')try:yield ffinally:f.close()with open_file('test.txt') as f:f.write('Hello, World!') Does nothing Raises a SyntaxError Raises a FileNotFoundError Writes Hello, World! to test.txt 65 / 70 65. Which module is used for JSON manipulation in Python? ujson simplejson xml json 66 / 70 66. Which module is used to handle date and time in Python? calendar date time datetime 67 / 70 67. What does the following code do?class C:def __init__(self, x):self.x = xdef __call__(self, y):return self.x + yobj = C(10)print(obj(5)) TypeError 15 None 10 68 / 70 68. What will be the output of the following code?import unittestclass TestStringMethods(unittest.TestCase): def test_upper(self): self.assertEqual('foo'.upper(), 'FOO')if __name__ == '__main__': unittest.main() Syntax error Test passes ImportError Test fails 69 / 70 69. What will be the output of the following code?def decorator_func(func):def wrapper(*args, **kwargs):print("Before")result = func(*args, **kwargs)print("After")return resultreturn wrapper@decorator_funcdef say_hello():print("Hello!")say_hello() BeforenHello!nAfter BeforenAfternHello! Hello!nAfternBefore Hello!nBeforenAfter 70 / 70 70. What will be the output of the following code?class A:passobj = A()print(type(obj).__name__) None A class object Your score is 0%