Scikit-learn
Scikit-learn ( formerly scikits . learn and also known as sklearn ) is a free software machine learning library for the Python programming language . 
<triplet> Scikit-learn <subj> free software <obj> instance of <subj> machine learning <obj> use <subj> library <obj> instance of <subj> Python <obj> programming language <triplet> Python <subj> machine learning <obj> use