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Python Programming - Functions

Exercise : Functions - General Questions
  • Functions - General Questions
66.
What is the purpose of the super() function?
To access the superclass of a class.
To call the constructor of the superclass.
To create an instance of the superclass.
To check if an object is a superclass.
Answer: Option
Explanation:
The super() function in Python is used to access the superclass of a class, allowing you to call methods from the superclass.
67.
What does the __slots__ attribute do in a Python class?
It specifies the slots where the class instances are stored.
It restricts the creation of new attributes in class instances.
It defines the initial values of attributes in class instances.
It allows for dynamic creation of attributes in class instances.
Answer: Option
Explanation:
The __slots__ attribute in Python is used to restrict the creation of new attributes in class instances.
68.
What is the purpose of the itertools.chain function?
To concatenate two lists.
To chain multiple iterables into a single iterable.
To filter elements from an iterable.
To create a chain of functions.
Answer: Option
Explanation:
The itertools.chain function in Python is used to chain multiple iterables into a single iterable.
69.
What does the locals() function return?
The local variables in the current namespace.
The global variables in the current namespace.
The names of all variables in the current namespace.
The values of all variables in the current namespace.
Answer: Option
Explanation:
The locals() function in Python returns a dictionary representing the local variables in the current namespace.
70.
What is the purpose of the functools.lru_cache decorator?
To create a local variable with cache.
To create a global variable with cache.
To cache the results of a function, saving time for repeated calls with the same arguments.
To limit the number of recursive calls in a function.
Answer: Option
Explanation:
The functools.lru_cache decorator in Python is used to cache the results of a function, reducing the computation time for repeated calls with the same arguments.
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