What will be the output? class A: def __init__(self): self.val = 5 def get_val(self): return self.val a = A() a.val = 10 print(a.get_val())

Which method is called when an object is created? class B: def __init__(self): print("Object created")

What is the output? class A: def __str__(self): return "Hello" a = A() print(a)

What will be the output? class Parent: def greet(self): print("Hello from Parent") class Child(Parent): pass c = Child() c.greet()

Which of the following defines inheritance correctly? class Base: pass class Derived(Base): pass

What does the following code print? class A: def __init__(self): self.data = "A" class B(A): def __init__(self): super().__init__() self.data = "B" b = B() print(b.data)

What is the output? class A: def show(self): print("A") class B(A): def show(self): print("B") obj = B() obj.show()

What is the result? class A: __private = 10 def get_private(self): return A.__private a = A() print(a.get_private())

What does the following code do? class A: count = 0 def __init__(self): A.count += 1 a = A() b = A() print(A.count)

What is the purpose of super()?

What does this code output? class A: def __init__(self): self.__x = 10 a = A() print(hasattr(a, '__x'))

What happens here? class A: def hello(self): print("Hello") a = A() a.hello = "Hi" print(a.hello)

What's the output? class A: def __del__(self): print("Destructor called") a = A() del a

What is printed? class A: def __init__(self, x): self.x = x a = A(5) print(a.x)

What does isinstance() do in this code? class A: pass a = A() print(isinstance(a, A))

Output of this code? class A: def __init__(self): print("A init") class B(A): def __init__(self): super().__init__() print("B init") b = B()

What will happen? class A: def __call__(self): print("Called") a = A() a()

What does @staticmethod do? class A: @staticmethod def stat(): print("Static method")

What’s the output here? class A: val = 5 @classmethod def show(cls): print(cls.val) A.show()

What will be the output of the following code? a = [1, 2, 3] b = a b.append(4) print(a)

Which of the following creates a shallow copy of a list? a = [1, 2, 3]

What does list1.extend(list2) do?

What will be the output of: x = [10, 20, 30] print(x.pop(1))

Which method returns the number of times a value appears in the list?

Which of the following list operations is not in-place?

What is the result of list("abc")?

What will be the output? a = [1, 2, 3] a[1:2] = [4, 5] print(a)

What does this list comprehension do? [x*x for x in range(3)]

How to remove all items from a list?

Which of the following is a tuple?

Tuples are:

What will this output? t = (1, 2, 3) print(t[1])

Can a tuple contain a list?

What will tuple("abc") return?

Which method is available for tuples?

What is the result of: t = (1, 2, 3) t + (4, 5)

What is the result of len((1, [2, 3], 4))?

What does t.index(2) return for t = (1, 2, 3, 2)?

Which is faster for iteration:

What is the output of: d = {'a': 1, 'b': 2} print(d['c'])

Which method returns a list of key-value tuple pairs?

How to safely access a key that may not exist in a dictionary?

What is the output of len({'a': 1, 'b': 2, 'a': 3})?

What does dict.update({'c': 3}) do?

What will dict.pop('x') do if 'x' does not exist?

How to loop over dictionary keys and values? for k, v in ___: ...

Can a dictionary key be a list?

What is the output of: d = dict([('a', 1), ('b', 2)]) print(d)

Which method removes all dictionary items?

What is the result of: s = {1, 2, 3, 2} print(s)

What is the output of: a = {1, 2} b = {2, 3} print(a & b)

Which operation returns elements not common to both sets?

How to check if an element exists in a set?

What is the result of: a = set("abc") a.add("d") print(a)

Which of the following is not allowed in a set?

How to remove all items from a set?

Which method removes an item from a set if it exists?

Which method can throw a KeyError if the item is not found?

What does a - b do for sets a and b?

What will be the output of the following code? try: x = 5 / 0 except ZeroDivisionError: print("Division by zero")

What is printed? try: int("hello") except ValueError: print("Caught ValueError")

Identify the output: try: x = [1, 2, 3] print(x[5]) except IndexError: print("Index error")

What will be the result? try: print(10 / 2) except ZeroDivisionError: print("Can't divide") else: print("No error!")

Output of this code: try: raise ValueError("Test error") except ValueError as e: print(e)

Result of the code? try: a = int("10a") except Exception: print("General error")

What will this print? try: {}["key"] except KeyError: print("Key not found")

Choose the correct output: try: print("A") finally: print("B")

What gets printed? try: 1 / 0 except ZeroDivisionError: print("Zero division") finally: print("Cleanup")

What's the output? try: x = 10 finally: print("Always runs")

Behavior of this code: try: raise KeyboardInterrupt except: print("Exception caught")

What gets printed? try: 1 / 1 except ZeroDivisionError: print("Divide by zero") else: print("Success") finally: print("Done")

What is the result? try: open("nofile.txt") except FileNotFoundError: print("File missing")

Output of the following: try: a = [1, 2, 3] print(a[3]) except Exception as e: print(type(e).__name__)

Result of this code? try: print("Try") raise Exception("Oops") print("After raise") except: print("Except")

Identify the output: try: 5 + "5" except TypeError: print("Cannot add int and str")

What will be printed? def div(a, b): try: return a / b except ZeroDivisionError: return "Error" print(div(10, 0))

What is the result? try: print(undefined_var) except NameError: print("Undefined variable")

Output? try: pass except: print("Error") else: print("No error")

What happens here? try: x = int("123") y = int("abc") except ValueError as ve: print("Caught:", ve)

What does the following code do? import tkinter as tk root = tk.Tk() label = tk.Label(root, text="Hello, World!") label.pack() root.mainloop()

What is the purpose of mainloop() in Tkinter? root.mainloop()

What does the pack() method do? button.pack()

How do you create a button that closes the window when clicked? import tkinter as tk root = tk.Tk() button = tk.Button(root, text="Exit", command=root.destroy) button.pack() root.mainloop()

Which geometry manager allows specifying row and column?

Which of the following correctly adds an entry widget? entry = tk.Entry(root) entry.pack()

How can you get the content of an Entry widget? entry.get()

What will this code do? label = tk.Label(root, text="Click Me") label.config(fg="blue") label.pack()

What happens if you call pack() and grid() on the same widget?

What does this snippet do? tk.Label(root, text="Name").grid(row=0, column=0) tk.Entry(root).grid(row=0, column=1)

How do you set the window title in Tkinter? root.title("My App")

Which widget allows multiline text input?

How to change the background color of a window? root.configure(bg="lightblue")

What does command=my_function mean in a button?

What is the default layout manager in Tkinter?

Which method can position a widget at an absolute location?

How to bind a keypress to an event handler? root.bind("", on_enter)

How do you insert text into a Text widget? text.insert("1.0", "Hello!")

What does this code create? from tkinter import messagebox messagebox.showinfo("Info", "Operation Complete")

Which widget is used to group related widgets?

What does the following code print? with open("sample.txt", "w") as f: f.write("Line 1\nLine 2\nLine 3") with open("sample.txt", "r") as f: print(len(f.readlines()))

What will be the file content after executing the code? with open("file.txt", "w") as f: f.write("Hello\nWorld") with open("file.txt", "a") as f: f.write("\nPython")

What does the with statement ensure in file handling?

What happens if you read a file that does not exist? with open("nonexistent.txt", "r") as f: print(f.read())

Which mode opens a file for both reading and writing?

What is the output? with open("file.txt", "w+") as f: f.write("12345") f.seek(0) print(f.read(2))

What is the effect of seek(0)?

What does this code do? with open("file.txt", "w") as f: pass

Which method checks if file is closed?

What will this print? with open("file.txt", "w") as f: f.write("test") print(f.closed)

What does "a" mode do?

Which method reads all lines into a list?

Output? with open("test.txt", "w") as f: f.writelines(["A\n", "B\n"])

What does this code do? f = open("log.txt", "x")

What will f.tell() return? with open("a.txt", "w") as f: f.write("abc") print(f.tell())

Which function writes a string to file?

What is the correct way to read a file line by line? with open("data.txt", "r") as f: for line in f: print(line)

What does f.flush() do?

What does this code output? with open("test.txt", "w") as f: f.write("abc") f = open("test.txt", "r") print(f.read(1)) f.close()

What's the result? with open("data.txt", "w") as f: f.write("line1\nline2") with open("data.txt") as f: print(f.readline())