Input & Output¶
About This Lesson¶
Master reading from and writing to files in Python. Learn file handling, different file modes, and best practices for working with file I/O.
What You'll Learn¶
- Reading files (read, readline, readlines)
- Writing files (write, writelines)
- File modes (r, w, a, r+, etc.)
- The with statement and context managers
- Working with file paths
- Binary vs text files
- Common file operations
Navigation Tips¶
- Use the MkDocs navigation on the left to move between lessons
- The notebook below is fully interactive - you can run and edit code
- Your changes are saved in your browser's local storage
Interactive Notebook¶
Having trouble with the embedded notebook? Try one of these: