File Management and Exception Handling in Python

This lecture covers essential concepts in Python programming, focusing on file management and exception handling. It begins with an overview of data structures, including tuples and dictionaries, emphasizing their mutability and indexing. The instructor explains how to define functions that accept variable arguments and how to read and write files in Python. Key operations such as opening, reading, writing, and closing files are discussed, along with the importance of managing file modes. The lecture also introduces exception handling, differentiating between errors and exceptions, and demonstrates how to use try-except blocks to manage exceptions effectively. The instructor provides examples of common exceptions and how to handle them, including custom exceptions. The session concludes with practical exercises to reinforce the concepts learned, ensuring that students can apply these techniques in their programming tasks.