Question 1

The following very_important_fuction() function is given. Which attribute of this function stores docstring?

def very_important_fuction():

"""This is a very important function that always returns 1."""

return 1

Options :

A : very_important_fuction.__class__

B : very_important_fuction.__repr__

C : very_important_fuction.__name__

D : very_important_fuction.__doc__

E : very_important_fuction.__code__

Answer: D

Question 2

When constructing a subclass that overrides methods from its superclass...

Options :

A :

you should leave at least one method untouched for backward compatibility.

B : you no longer have access to any of the superclass methods.

C : you still have access to the superclass methods.

D : you are not allowed to override all methods.

Answer: C

Question 3

Consider the following Python code snippet:

class Meta(type):

def __new__(cls, name, bases, attrs):

attrs['add'] = lambda self, value: self.append(value)

return super().__new__(cls, name, bases, attrs)

class CustomList(list, metaclass=Meta):

pass

What does the CustomList class do in this code?

Options :

A : The CustomList class raises an error because append method is overridden.

B : The CustomList class adds elements to the list by calling the add method instead of append.

C : The CustomList class is just a regular list with no additional functionality.

D : The CustomList class adds elements to the list using both add and append methods.

E : The CustomList class can't add elements because append method is overridden.

Answer: D

Question 4

To define a class method....

Options :

A : ...you must use the @classmethod decorator.

B : ...you must use the @staticmethod decorator.

C :

...you just have to use the cls argument as a first argument in a class method.

class MyClass:

def my_class_method(cls):

pass

D : ...you must use the @property decorator.

Answer: A

Question 5

Options :

A :

B :

C :

D :

Answer: B

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