Python range() built-in function
From the Python 3 documentation
Rather than being a function, range is actually an immutable sequence type, as documented in Ranges and Sequence Types — list, tuple, range.
Ups! Nothing here yet!
This is a great opportunity for you to collaborate! Hit the link at the end of this page and add some examples and a brief description. If you don't know where to start, the Python 3 documentation will lead you in the right direction.