Part of the reason this is possible is that Python uses a smaller number of variable types as compared with, say, Java. There are no “Booleans” in Python for example.

The simplest form of regression in Python is, well, simple linear regression. With simple linear regression, you're trying to ...

The Cython library in Python lets you write Python code and convert it to C for speed, using C types for variables. Those variables can include NumPy arrays, so any Cython code you write can work ...