First four basic models appear in this Mathematical Optimization in Python with CPLEX YouTube serie.
A basic linear model with two continuous variables
A basic mixed-integer programming model. Three variables (binary, integer and continous) in this simple model.
The basic 0-1 knapsack problem
A basic linear assignment problem of n workers and n tasks. Variables are of two subindexes.
A linear assignment problem
A Capacitated Vehicle Routing Problem. Using pandas to read data and networkx to draw graph and solution