By clicking these graphs above you will see a few simple Python programs related to
Linear regression : Ridge, Lasso, ElasticNet
SVM methods for regression (with penalisation) and classification (binary or multiclasses)
Some utilisations of Stochastic Gradient Descent, Gridsearch and Kfold cross validations
References :
Python for Data Science (for dummies) John Wiley and Son 2019, JP Mueller, Luca Massaron
Sklearn online tutorial