Python Questions

Variables with the public access modifiers can be accessed anywhere inside or outside the class

The private variables can only be accessed inside the class,

Protected variables can be accessed within the same package.

Pandas is a Python library for data manipulation and analysis. It provides high-performance, easy-to-use data structures and data analysis tools.

Overloading constructors or methods in Python is done by using the __init__() method.

__init__ is a special method that is called when an object is instantiated. It is used to initialize the object.

The enumerate function returns an enumerate object. It is a way to iterate over an iterable and return both the index and value of each item in the iterable.

Dictionaries are used to store data in key-value pairs.

Deep copy is a copy of the object itself while shallow copy is a copy of the object’s reference.

The single underscore “_” variable is used to indicate that a variable is private and should not be used outside of the class.

A docstring is a string literal used to document the purpose of a Python module, function, class, or method.

Python docstrings are the string literals that appear right after the definition of a function, method, class, or module. Let's take an example.

In Python, Modules are simply files with the “. py” extension containing Python code that can be imported inside another Python Program.

Flask is a web framework, it’s a Python module that lets you develop web applications easily.

Namespaces in Python. A namespace is a collection of currently defined symbolic names along with information about the object that each name references.

The append() adds a single element to the end of the list while . extend() can add multiple individual elements to the end of the list.

The with statement in Python is used for resource management and exception handling. You'd most likely find it when working with file streams. 

A callable is an object that can be called. For example, a function is callable, but classes are not callable. 

Lambda functions are anonymous functions in Python. They are used to create small anonymous functions.

Decorators are functions that are used to modify the behavior of other functions.

PEP 8, sometimes spelled PEP8 or PEP-8, is a document that provides guidelines and best practices on how to write Python code.

Literals in Python is defined as the raw data assigned to variables or constants while programming.

The zip() function in Python is used to create a sequence of tuples, and it takes any number of iterables as arguments.

Descriptors are objects that provide access to the properties of an object.

Pickling is the process of converting a Python object into a byte stream, and unpickling is the process of converting a byte stream into a Python object.

Negative index in Python is used to access the elements of a list or a tuple from the end of the list or tuple.

The pass statement is used as a placeholder for future code. When the pass statement is executed, nothing happens, but you avoid getting an error when empty code is not allowed.