# Dive Into Python Python from novice to pro | Find:

## 16.8. Summary

The `regression.py` program and its output should now make perfect sense.

You should now feel comfortable doing all of these things:

- Manipulating path information from the command line.
- Filtering lists using `filter` instead of list comprehensions.
- Mapping lists using `map` instead of list comprehensions.
- Dynamically importing modules.