The codecs module provides functions to encode and decode data between bytes and text using various character encodings (UTF-8, ASCII, etc.), with flexible error handling strategies for dealing with malformed data.
The difflib module provides tools for comparing sequences (especially text strings) and generating difference reports in various formats. It can find the similarity between strings, produce unified
or context diffs
like Unix diff tools, and identify close matches from a list of possibilities.
The textwrap module provides functions for formatting text blocks with intelligent line wrapping, indentation control, and paragraph formatting - perfect for creating clean output, documentation, and user interfaces.
The re module provides regular expression operations for pattern matching, searching, and text manipulation with functions like search(), match(), findall(), and sub().