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 ...

Note: Computers count from zero, so the first number in the array is always counted as 0. The last element in an array with n elements will have the index n-1. If an array has 10 elements then the ...

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.