Python and SQL Bible

Chapter 7: File I/O and Resource Management

 

In any real-world application, data forms a vital component. This data is often stored in files and databases, and the ability to read and write data from/to files is a valuable and often necessary skill for a programmer. In this chapter, we will explore file Input/Output (I/O) operations and resource management in Python, two crucial aspects of dealing with external resources.

Python provides inbuilt functions for creating, writing, and reading files. Additionally, it provides tools to manage these resources effectively and ensure that they are cleaned up after use. This is vital in preventing resource leaks, which can cause applications to use more memory or file handles than necessary and slow ...