Fintech, which involves the use of technology in financial services, has grown significantly, leading to a high demand for programming skills, particularly Python. Python is a versatile, open-source programming language that has become the world's most popular due to its ease of use, dynamic typing, and extensive libraries, making it an ideal choice for finance professionals. Its applications in finance include big data analysis, data visualization, automated trading, cryptocurrency transactions, and banking software development. Python's high-level nature abstracts complex machine code, allowing for quick iteration and testing, while its platform independence means it can run across various operating systems without modification. With a strong community and continuous development, Python offers a robust ecosystem for developers, and learning it for finance can enhance career prospects with resources available through platforms like Coursera and Codecademy.