Syntax

Question 1

What symbol is used for comments in Python?

Answer 1

#

Question 2

True or False: Python uses indentation to define code blocks.

Answer 2

True

Question 3

Fill in the blank: To define a function in Python, you use the keyword _______.

Answer 3

def

Question 4

What is the output of the following code: print(type(5))?

Answer 4

<class ‘int’>

Question 5

Which keyword is used to create a class in Python?

Answer 5

class

Question 6

What is the correct way to create a list in Python?

Answer 6

my_list = []

Question 7

True or False: Python supports multiple inheritance.

Answer 7

True

Question 8

What data type is used to store a sequence of characters in Python?

Answer 8

str

Question 9

Which operator is used for exponentiation in Python?

Answer 9

**

Question 10

What keyword is used to handle exceptions in Python?

Answer 10

try

Question 11

What is the output of the following code: print(3 + 2 * 2)?

Answer 11

7

Question 12

Which function is used to read input from the user in Python?

Answer 12

input()

Question 13

Fill in the blank: In Python, a tuple is defined using _______.

Answer 13

()

Question 14

What is the purpose of the ‘return’ statement in a function?

Answer 14

To exit the function and return a value.

Question 15

What is the syntax to create a dictionary in Python?

Answer 15

my_dict = {}

Question 16

True or False: Lists in Python are immutable.

Answer 16

False

Question 17

What method is used to add an element to a list?

Answer 17

append()

Question 18

Which statement is used to exit a loop in Python?

Answer 18

break

Question 19

What is the output of the following code: print([1, 2, 3] + [4, 5])?

Answer 19

[1, 2, 3, 4, 5]

Question 20

Fill in the blank: A set in Python is defined using _______.

Answer 20

{}

Question 21

What does the ‘len()’ function do in Python?

Answer 21

Returns the length of an object.

Question 22

What will be printed by the following code: print(‘Hello’ * 3)?

Answer 22

HelloHelloHello

Question 23

Which keyword is used to define a generator in Python?

Answer 23

yield

Question 24

What is the purpose of the ‘if __name__ == “__main__”:’ statement?

Answer 24

To check if the script is being run directly.

Question 25

True or False: Python uses zero-based indexing.

Answer 25

True

Question 26

What is the syntax for a conditional statement in Python?

Answer 26

if condition: ...

Question 27

What keyword is used to create an instance of a class?

Answer 27

object()

Question 28

What is a method in Python?

Answer 28

A method is a function that is associated with an object.

Question 29

True or False: Methods in Python can only be defined within classes.

Answer 29

True

Question 30

Fill in the blank: In Python, a method that modifies an object's state is called a ______.

Answer 30

mutator method

Question 31

What keyword is used to define a method in Python?

Answer 31

def

Question 32

What is the purpose of the 'self' parameter in a method?

Answer 32

'self' refers to the instance of the class and is used to access variables and methods associated with that instance.

Question 33

What is the difference between a function and a method in Python?

Answer 33

A function is a standalone piece of code, while a method is associated with an object.

Question 34

Which of the following is a valid method definition? A) def myMethod(): B) def myMethod(self): C) both A and B

Answer 34

C) both A and B

Question 35

True or False: You can call a method without creating an instance of its class.

Answer 35

False

Question 36

What does the 'cls' parameter represent in a class method?

Answer 36

'cls' represents the class itself, allowing access to class variables and methods.

Question 37

Fill in the blank: A ______ method can be called on the class itself, rather than on instances of the class.

Answer 37

class

Question 38

What is the purpose of the __init__ method in a class?

Answer 38

The __init__ method initializes a new object's attributes.

Question 39

True or False: In Python, all methods must return a value.

Answer 39

False

Question 40

What is an instance method?

Answer 40

An instance method is a method that operates on an instance of a class and can access its attributes.

Question 41

Which of the following is NOT a type of method in Python? A) Instance Method B) Static Method C) Global Method

Answer 41

C) Global Method

Question 42

How do you call a method named 'example' on an instance 'obj'?

Answer 42

obj.example()

Question 43

What is a static method?

Answer 43

A static method does not require a class instance and cannot access or modify class state.

Question 44

Fill in the blank: The method ______ is used to represent the string representation of an object.

Answer 44

__str__

Question 45

What is method overloading?

Answer 45

Method overloading allows multiple methods with the same name but different parameters in the same scope.

Question 46

True or False: Python natively supports method overloading.

Answer 46

False

Question 47

What is method overriding?

Answer 47

Method overriding occurs when a subclass provides a specific implementation of a method that is already defined in its superclass.

Question 48

Fill in the blank: The method ______ is called when an object is deleted.

Answer 48

__del__

Question 49

What is the purpose of the @staticmethod decorator?

Answer 49

The @staticmethod decorator defines a static method that does not access or modify the class state.

Question 50

What does the @classmethod decorator do?

Answer 50

The @classmethod decorator defines a method that receives the class as its first argument instead of an instance.

Question 51

True or False: You can use the super() function to call a method from a superclass.

Answer 51

True

Question 52

What is a property method?

Answer 52

A property method allows you to use a method like an attribute, providing a way to manage attribute access.

Question 53

Fill in the blank: The ______ method is used to define a property in a class.

Answer 53

@property

Question 54

What is a decorator in Python?

Answer 54

A decorator is a function that modifies the behavior of another function.

Question 55

True or False: Decorators can be applied to functions and classes.

Answer 55

True

Question 56

Fill in the blank: A decorator is defined using the ______ syntax.

Answer 56

@decorator_name

Question 57

What does the '@' symbol signify in Python?

Answer 57

It indicates that a function is being decorated.

Question 58

What is the purpose of parameter questions in decorators?

Answer 58

To allow decorators to accept arguments and customize their behavior.

Question 59

True or False: A decorator can return a function that takes parameters.

Answer 59

True

Question 60

What keyword is used to define a function inside a decorator?

Answer 60

def

Question 61

Multiple Choice: Which of the following is a valid way to define a decorator?

Answer 61

A) def my_decorator(func):

Question 62

What is the typical return value of a decorator function?

Answer 62

A modified version of the input function.

Question 63

Fill in the blank: In Python, decorators are often used for ______ and logging.

Answer 63

authorization

Question 64

What is a common use case for decorators?

Answer 64

To add functionality to existing functions without modifying their code.

Question 65

True or False: A decorator can be stacked on top of another decorator.

Answer 65

True

Question 66

What is the syntax to apply multiple decorators to a single function?

Answer 66

Stack them above the function definition.

Question 67

What is a parameterized decorator?

Answer 67

A decorator that takes arguments to customize its behavior.

Question 68

Multiple Choice: Which of the following is an example of a parameterized decorator?

Answer 68

C) @my_decorator(arg1, arg2)

Question 69

Fill in the blank: When using a parameterized decorator, you need to define a ______ function inside the decorator.

Answer 69

wrapper

Question 70

What does the wrapper function typically do?

Answer 70

It calls the original function and can add additional behavior.

Question 71

True or False: Decorators can only modify the return value of a function.

Answer 71

False

Question 72

What is the purpose of using functools.wraps in decorators?

Answer 72

To preserve the original function's metadata.

Question 73

What is the output of the following code? @decorator_function def my_function(): return 'Hello'

Answer 73

The modified output defined in the decorator.

Question 74

What is a common mistake when defining decorators?

Answer 74

Forgetting to return the wrapper function.

Question 75

Fill in the blank: The main function that a decorator modifies is passed as an argument to the ______ function.

Answer 75

decorator

Question 76

True or False: Decorators can be used for caching results.

Answer 76

True

Question 77

What is the benefit of using decorators for logging?

Answer 77

They provide a clean way to add logging without modifying the function's code.

Question 78

Multiple Choice: Which of the following is NOT a use case for decorators?

Answer 78

D) Creating new classes

Question 79

What does the term 'chaining decorators' refer to?

Answer 79

Applying multiple decorators to a single function.