A pack of codes illustrating how an optimization problem (e.g., a mixed-integer linear program) in Operations Research (OR) is solved via different Python packages, namely, mip, pulp, pyomo, ortools, pymoo, gekko, picos, cvxpy, drake, cylp, and pymprog. Please refer to https://www.supplychaindataanalytics.com/modeling-and-solving-optimization-problems-in-python/ for more information.