What happens if you try to raise an exception using the raise keyword without specifying an exception?
- It raises a 'NameError'
- It raises a 'SyntaxError'
- It raises a 'TypeError'
- It raises a generic 'Exception'
If you raise an exception using the 'raise' keyword without specifying an exception type, it raises a generic 'Exception' with no message.
To make a module's functions directly accessible, you can use the _______ statement.
- From
- Import
- Include
- Require
To make a module's functions directly accessible, you can use the 'from' statement. It allows you to import specific functions or objects from a module into your current namespace.
When you execute a Python script, what value does the name attribute hold by default for that script?
- "class"
- "init"
- "main"
- "module"
By default, when you execute a Python script, the 'name' attribute holds the value "main," indicating that the script is the main program.
Which of the following concepts allows a single interface to represent different methods in derived classes?
- Abstraction
- Encapsulation
- Inheritance
- Polymorphism
Polymorphism allows a single interface or method name to represent different implementations in derived classes. It enables flexibility and dynamic method dispatch in object-oriented programming.
In Python, a dictionary can use immutable data types, like strings and tuples, as keys but not _______.
- Arrays
- Dictionaries
- Lists
- Sets
In Python, dictionaries can use immutable data types, such as strings and tuples, as keys because they are hashable and can be used to create unique hash values. However, lists are mutable, and their contents can change, so they cannot be used as dictionary keys.
What is the primary distinguishing feature of elements in a Python set?
- Indexed
- Sorted
- Unique
- Unordered
The primary distinguishing feature of elements in a Python set is that they are unique, meaning there are no duplicate elements in a set. Sets are also unordered, which means they don't have a specific order.
For a property named value, the corresponding setter decorator would be _______.
- @property.setter
- @set.value
- @set.value.setter
- @value.setter
In Python, when defining a property named 'value,' the corresponding setter decorator should be '@value.setter.'
Which of the following is NOT a feature of Python?
- Dynamic Typing
- Easy-to-Read Syntax
- Interpreted Language
- Static Typing
Python is known for its dynamic typing, meaning you don't have to declare variable types. Static typing, on the other hand, requires explicit type declarations. Python's other features include easy-to-read syntax and being an interpreted language, making it different from statically typed languages.
The operator // performs _______ division.
- Division
- Float
- Integer
- Truncated
The operator '//' performs truncated division. It returns the integer part of the result of division, discarding the decimal part.
Which method is responsible for cleaning up resources in a context manager?
- __cleanup__()
- __close__()
- __deallocate__()
- __exit__()
The __exit__() method is responsible for cleaning up resources in a context manager. It's called automatically when exiting the 'with' block, allowing you to release resources or handle exceptions.