Appending an element to a list in Python is a common operation. Python provides several methods to add elements to a list, with the append() method being the most straightforward. Below are different ways to append elements to a list in Python. 1. Using the append() Method The append() method adds a single element to […]
Using nsetools in Python
The nsetools library in Python allows you to retrieve real-time data from the National Stock Exchange of India (NSE). It provides a simple API to fetch details like stock quotes, index values, and more. This library is particularly useful for developers building financial applications or scripts that require live stock market data from the NSE. […]
Python High Order Function
In Python, a higher-order function is a function that either takes one or more functions as arguments or returns a function as a result. This concept is a fundamental aspect of functional programming and allows for more flexible and reusable code. 1. What is a Higher-Order Function? A higher-order function is defined as: A function […]
How to Compare Two Lists in Python
Comparing two lists in Python can be done in various ways, depending on what you want to achieve. You may need to check if two lists are equal, if they contain the same elements in any order, or if they have common elements. Below are several methods to compare two lists in Python. 1. Comparing […]
Python JSON
JSON (JavaScript Object Notation) is a lightweight data interchange format that is easy for humans to read and write, and easy for machines to parse and generate. It is commonly used for transmitting data in web applications, often as a way to encode data in an API. Python provides a built-in module called json to […]
Connect SQLite with Python
SQLite is a lightweight, disk-based database that doesn’t require a separate server process. It’s an ideal database for small projects, embedded systems, or as a database for testing. Python provides a built-in module, sqlite3, to connect to SQLite databases and perform various database operations. 1. Prerequisites Since sqlite3 is a built-in Python module, there is […]
Python MySQL Performing Transactions
Transactions in a MySQL database allow you to execute a series of SQL operations as a single unit of work. If any operation within the transaction fails, the entire transaction can be rolled back, ensuring data integrity. The mysql-connector-python library provides the tools to perform transactions in Python. This guide will walk you through the […]
Web Scraping Using Python
Web scraping is the process of extracting data from websites. Python is a popular language for web scraping due to its ease of use and powerful libraries. This guide will cover the basics of web scraping using Python, including setting up your environment, using libraries like requests and BeautifulSoup, and handling common challenges. 1. Setting […]
Python sys module
The sys module in Python provides access to some variables used or maintained by the Python interpreter and to functions that interact strongly with the interpreter. It allows you to manipulate the Python runtime environment and perform various system-level operations. 1. Importing the sys Module To use the functions and variables provided by the sys […]
Python Multiprocessing
The multiprocessing module in Python allows you to create and manage multiple processes, enabling you to run code concurrently on multiple CPU cores. This is particularly useful for CPU-bound tasks that can be parallelized to improve performance. Unlike multithreading, where threads share the same memory space, each process in multiprocessing has its own memory space, […]