Getting started Modelling 1, continued. Gurobi Python interface provides the ease of a modelling language inside a powerful programming language. This interactive session covers the key elements of building models: working with decision variables, constraints, sums and for-all loops. In addition, we learn about more advanced Gurobi API Python programming for optimization, including modifying models, solving multiple models, and packages for data modelling. Other APIs will be briefly featured as well, including Matlab, C/C++, etc.