## References

Before switching to Python 3K, you might want to have a closer look to what this implies. You may find the following documents helpful:

- Python 2 or Python 3? https://wiki.python.org/moin/Python2orPython3
- What's new in Python 3K: http://docs.python.org/py3k/whatsnew/3.0.html
- Porting to Python 3: https://wiki.python.org/moin/PortingPythonToPy3k
- Strings are now Unicode in Python 3K: https://docs.python.org/3.0/howto/ unicode.html