Arrays are super useful. If you want even more details about python and arrays - this is a very useful site from Cornell. My python-foo will probably never catch up with The Virtuosi.

Arrays in Python differ from other programming languages as it uses lists instead of arrays. Python 'lists' are more flexible than arrays as they can contain different data types and their length ...

NumPy NumPy is another popular Python library that supports large, multi-dimensional arrays and matrices. It also includes several routines for linear algebra, Fourier transform, and random number ...