Introduction to Python and its role in DevOps. Installing Python and setting up a development environment. Writing your first Python program. String data type in Python. String manipulation and ...

Floats in Python are implemented as double precision floating point real numbers, values that can be represented in straightforward decimal or scientific notations. These 8-byte (64-bit) values ...

Not sure about rational support, but SmallTalk and ABC (predecessor to Python) have 'exact' or something, at least for integers, so you can do silly things like 1000!, if you have enough memory ...