Why is the pass statement used in Python?
The pass statement is used as a placeholder for future code. It does nothing when executed, but allows you to avoid an error if empty code is not allowed. Empty code is not allowed in loops, function definitions, class definitions, or if statements.

What is None in Python?
The keyword "None" in Python represents null values. The None object has the NoneType type. Logical equality operations can be performed using such objects.

How is the // operator used in Python?
Python provides the // operator to perform integer division of one number by another. The result of this operator is an integer obtained by dividing the left number by the right one. The same can be achieved using the floordiv(a, b) function.

What is a module in Python?
A module is a file written in Python containing code with import statements, classes, functions, etc. Modules can be imported into another Python file. Using modules, the functionality of applications can be divided into smaller parts for structuring the program. A Python program folder is a package of modules. Such a package can contain modules or subfolders.

Is it possible to create a dictionary with an ordered set of keys in Python?
In a normal dictionary, keys are not ordered. To solve this problem, the OrderDict class can be used.

Is Python an object-oriented programming language or a functional programming language?
Python is an object-oriented programming language. However, it can also be considered a procedural and structured language.

What is the difference between the append() and extend() list methods in Python?
In Python, the append() and extend() methods are used to add elements to the end of a list. However, there is a certain difference between them.

append(element): Adds the element passed as an argument to the end of the list.
extend(another_list): Adds the elements of another list to the end of the list.
What are errors and exceptions in Python programs?
Errors are problems with the code in a program that can lead to its abnormal termination (getting a result other than what we wanted). Exceptions occur due to the occurrence of an external event that interrupts the normal course of the program.

What is Python?
Python is a programming language widely used in web applications, software development, data science, and machine learning (ML). Developers use Python because it is efficient, easy to learn, and works on various platforms. Python programs can be downloaded for free, are compatible with all types of systems, and increase the speed of development.

What is a docstring in Python?
A docstring is an annotation to your code. It can be in the form of a single line or multiline. Docstrings are also used to create help elements in development environments.

What do *args and **kwargs mean when defining a function in Python?
One of the common areas where packing and unpacking are used is function parameters. Thus, in the definitions of various functions, you can often see that they accept parameters such as *args and **kwargs. The terms args and kwargs are conventions for programming in Python, in reality, any naming can be used instead of them. *args represent parameters that are passed by position, and **kwargs means parameters that are passed by name.