Working With Files
Discover how to read from and write to files, enabling your programs to save data and process external information.
9 lessons
What Is a File in Coding?
Files store data persistently, allowing programs to save information that survives after the program ends.
Understanding File Paths
File paths describe where files live on your computer, using either absolute or relative locations.
Reading Files
Learn to open files, read their contents, and properly close them using Python's with statement.
Writing Files
Learn to create new files and write data to them, understanding the difference between write and append modes.
Reading CSV Files
CSV files store tabular data in a simple text format. Learn to read and process them using Python's csv module.
Working With JSON Files
JSON is the universal format for structured data. Learn to read and write JSON files for configuration and data exchange.
Handling Missing Files
Files might not exist when your program runs. Learn to handle this gracefully instead of crashing.
Using AI to Debug File Errors
File errors often have simple causes. Learn to use AI assistants to quickly diagnose and fix common file operation problems.
Simple Data Pipelines
Combine reading, processing, and writing files into complete data pipelines that transform information.
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