Question Bank
3705 approved questions from the community
Decorators in Python heavily rely on the concept of closures.
List comprehensions are generally faster than equivalent for loops in Python.
What is a generator function in Python?
What are the three requirements to create a closure in Python?
When multiple decorators are stacked on a function, in what order are they applied?
In Python, when you assign a variable to another variable (e.g., b = a), you are creating a reference to the same object, not a copy.
In Python, using two underscores before a variable name (e.g., __variable) makes it truly private and completely inaccessible from outside the class.
In Python, you can add a list as an element to a set.
In Python's object creation process, which method is called first: __new__() or __init__()?
What is the primary difference between class variables and instance variables?
Python 3.8 introduced the walrus operator (:=) which allows assignment within expressions.
Python 3.13 introduced an experimental JIT compiler that can transform bytecode sequences directly into machine code.
What is sys.getrefcount() used for in Python?
How can you define a Python dictionary where multiple keys have the same value efficiently?
What is the recommended way to merge two dictionaries in Python 3.5+?
What is the purpose of Python's Generational Garbage Collector?
What is the difference between an expression and a statement in Python?
What is an abstract class in Python?
Why does calling a function repeatedly with a mutable default argument (like []) cause unexpected behavior?
What is the key characteristic of Python's 'range' type?