How to test the solutions
python3 submit.py python_lab.py Lab 1: Introduction to Python—sets, lists, dictionaries, and comprehensions Python provides some simple data structures for grouping together multiple values, and integrates them with the rest of the language. These data structures are called collections.
Sets A set is an unordered collection in which each value occurs at most once. You can use curly braces to give an expression whose value is a set.

Source cran
Chapter 1 Introduction Prediction Versus Interpretation, Key Ingredients of Predictive Models; Terminology; Example Data Sets and Typical Data Scenarios; Overview; Notation (15 pages, 3 figures)
Part I: General Strategies Chapter 2 A Short Tour of the Predictive Modeling Process Case Study: Predicting Fuel Economy; Themes; Summary (8 pages, 6 figures, R packages used)
Chapter 3 Data Pre-Processing Case Study: Cell Segmentation in High-Content Screening; Data Transformations for Individual Predictors; Data Transformations for Multiple Predictors; Dealing with Missing Values; Removing Variables; Adding Variables; Binning Variables; Computing; Exercises (32 pages, 11 figures, R packages used)