"""
This package provides a collection of modules for data processing and manipulation.

Submodules:
- clean: Contains functions for cleaning dataframes.
- fs: Provides functions for file system operations.
- sql: Includes helper functions for working with SQL.
- utils: Provides utility functions for handling and manipulating data structures.

You can import these modules like so:

```python
from my_package import clean, fs, sql, utils
"""