What is Python?
Python is a high-level, interpreted, object-oriented programming language widely used for web development, scientific computing, data analysis, artificial intelligence, and more. It is designed to be easy to read and write, with a simple syntax that makes it suitable for beginners.
What is the difference between Python 2 and Python 3?
Python 2 and Python 3 are two different versions of Python. Python 2 is an older version of the language and is no longer supported, while Python 3 is the latest version and is actively developed. Python 3 has several improvements over Python 2, such as better Unicode support, improved division handling, and simplified syntax.
How do you comment in Python?
In Python, you can comment a single line using the hash symbol (#). To comment multiple lines, you can enclose them within triple quotes.
What is PEP 8?
PEP 8 is a set of guidelines for writing Python code. It includes recommendations for code layout, naming conventions, comments, and other aspects of Python programming.
What is a list in Python?
A list in Python is a collection of ordered elements that can be of different data types, such as integers, strings, or other objects. Lists are mutable, which means you can add, remove, or modify elements after creating them.
What is a tuple in Python?
A tuple in Python is an immutable sequence of elements that can be of different data types, such as integers, strings, or other objects. Once created, a tuple cannot be modified.
What is a dictionary in Python?
A dictionary in Python is a collection of key-value pairs. Each key is associated with a value, and you can use the key to access its corresponding value. Dictionaries are mutable, which means you can add, remove, or modify key-value pairs after creating them.
What is a function in Python?
A function in Python is a block of code that performs a specific task. It takes input parameters (arguments), performs some operations on them, and returns a result. Functions help to organize code and make it reusable.
What is the difference between a function and a method in Python?
In Python, a function is a standalone block of code that performs a specific task, while a method is a function that is associated with an object. Methods are called on objects and operate on the object’s data, while functions operate on their own input parameters.
How do you handle exceptions in Python?
In Python, you can handle exceptions using a try-except block. The code that might raise an exception is placed inside the try block, while the code to handle the exception is placed inside the except block.
